what is another term for the average value of a distribution?

Answers

Answer 1

The another term for the average value of a distribution is "mean."

The mean is a commonly used measure of central tendency that represents the average value of a set of data. It is calculated by summing up all the values in a dataset and dividing by the total number of observations. The mean is a useful tool for summarizing the general tendency of a dataset and is used as a basis for other statistical calculations such as variance and standard deviation.

However, the mean is sensitive to outliers, meaning that a few extreme values in a dataset can greatly affect the mean. For this reason, it's sometimes necessary to use other measures of central tendency, such as the median or mode, to get a better understanding of the central tendency of a dataset.

Learn more about the Average value of a Distribution:

https://brainly.com/question/29659092

#SPJ4


Related Questions

given the graph of y = -3/2x - 1 and y = -x + 4 which of the following is a solution to both equations

pls help!

Answers

(1, -1) is the solution to both equations.

How to find the solution to the graph of system of linear equations?

A system of equations is a collection of two or more equations with the same variables. The goal is to find values for the variables that simultaneously satisfy all the equations in the system. There are different methods to solve a system of equations, including substitution, elimination, and graphing

The solution to both equations can found be determine by picking the x and y values of the point of intersection of the two lines. That is:

At the point of intersection of the lines:

x = 1 and y = -1

Thus, the solution to both equations is (1, -1)

Learn more about system of equations on:

brainly.com/question/13729904

#SPJ1

Pedro tiene como proyecto de construir la casa de sus sueños, estuvo ahorrando dinero, pero no fue suficiente ya que para hacer la casa al 100% necesita 60.000.0000$ lo que quiere decir que le faltan 35.000.0000$ para poder juntar todo el dinero. Contemplo la posibilidad de prestar en un banco los 35.000.000$ para pagarlos en 10 años con una tasa de interés del 8%. Preguntas. ¿Cuánto dinero había reunido Carlos antes de pensar en prestar con el banco? 25.000.000$ ¿Cuánto dinero pagaría Carlos en total al finalizar los 10 años? 37.800.000 ¿Qué precio tendría cada cuota mensual durante los 10 años? 315.000$

Answers

Pedro había reunido 25.000.000$ antes de pensar en prestar con el banco. Al finalizar los 10 años, Carlos pagaría 37.800.000$ en total, lo que significa que tendrá que pagar una cuota mensual de 315.000$ durante los 10 años para poder cumplir con el préstamo.

El préstamo que Carlos está considerando es una forma común de financiamiento para proyectos de construcción de viviendas. Esta forma de financiamiento le permite a Carlos acceder a fondos que de otro modo no tendría, permitiéndole construir su casa de los sueños. El préstamo a largo plazo también le ofrece la flexibilidad de pagar el préstamo en cuotas mensuales durante un período de 10 años.

Versión en inglés:

Peter had raised $25,000,000 before he thought about lending with the bank. At the end of the 10 years, Carlos would pay $37,800,000 in total, which means he will have to pay a monthly payment of $315,000 over the 10 years in order to make good on the loan.

The loan Carlos is considering is a common form of financing for home construction projects. This form of financing allows Carlos to access funds he would not otherwise have, allowing him to build his dream home. The long-term loan also offers him the flexibility to repay the loan in monthly installments over a 10-year period.

Learn more about loans and interest rates:

brainly.com/question/13269206

#SPJ4

Jack has $684 in his wallet, which is 6 times as much as Jill has. How much money does Jill have in her wallet?

Answers

Answer:

114

Step-by-step explanation:

If jack has 684 which is 6 times jill then divide 645 by 6 and thenmake sure its correct by multiplying 6 times what you got and if the awnser if 684 its correct

Answer:

$4,104

thus : since jack has $684

jill=6*$684=$4104

Please help me I’m a bit stuck

Answers

Answer:

Step-by-step explanation:

The Answer would be -4x

Because 3-7= -4

A rabbit starts at 10 along a number line and then makes three jumps. First the rabbit jumps 4 units, then 2 units, and finally makes a jump of 1 unit. We don't know the direction of any jump.What are the possibilities

Answers

Answer:

Step-by-step explanation:

The first gardener can finish the job in 6 hours, and the second gardener can do the same job in 7 hours. How long will it take to finish the same job if they work together

Explanation Please

Answers

Answer:

3 3/13 hours

Step-by-step explanation:

you will first find out how many hours it will take for each gardener to do 1 part of the job. gardener 1 is 1/6 and the second is 1/7. you will next add the two fractions. this will equal 13/42. you will then multiply by the reciprocal to get 1, this stands for the whole job done together. The reciprocal is the answer, 42/13. You will then simplify that to 3 3/13 hours.

Find the value of the expression
7/8-v
for v =5/8
Write your answer as a fraction or as a whole or mixed number.

Answers

Answer:

1/4

Step-by-step explanation:

7/8 - 5/8 = 2/8

2/8 divided by 2/2 is 1/4

Answer:

7/8-5/8

Step-by-step explanation:

7-5/8

2/8

2 into itself and into 8 is equal to 1/4

A car sales person makes $7.00 per hour plus $100.00 for every car sold. Which expression represents the amount in dollars the salesperson makes, before taxes, if x cars are sold in 40 hours?

Answers

The expression represents the amount in dollars the salesperson makes, before taxes, would be 7x + 100 = 40.

What is an expression?

Expression in maths is defined as the collection of numbers variables and functions by using signs like addition, subtraction, multiplication, and division.

The Numbers constants, variables, operations, functions, brackets, punctuation, and grouping can all be represented by mathematical symbol; which can also be used to indicate the logical syntax's order of operations and other features.

We are given that car sales person makes $7.00 per hour plus $100.00 for every car sold.

Therefore, we have;

7x + 100 = 40

The expression represents the amount in dollars the salesperson makes, would be 7x + 100 = 40.

To know more about an expression follow;

brainly.com/question/19876186

#SPJ1

6 divide by 222 long devision

Answers

Answer: 37

Step-by-step explanation:

 6 divided into 2 is 0.

0 multiplied by 6 is 0.

2-0=2

bring down the other 2

6÷22=3

3×6= 18

23-18= 4

bring down the 3rd 2

now we have 44

44÷6 =43

42-42= 0

hence the answer is 37

Find the sum of 5√25 and √7 in simplest form. Also, determine whether the result
is rational or irrational and explain your answer.

Answers

= 5(5) + sqrt (7)
= 25 + 2.64575131
=27.64575131
This number is irrational simply because it cannot be represented as a fraction or in ratio form. Also the square root of 7 is irrational because the number after the decimal point does not terminate and does not repeat.

PLSSSS HELP IF YOU TURLY KNOW THISSS

Answers

Answer:

x = 40

Step-by-step explanation:

We have to find,

→ the value of x in the equation.

The equation is,

→ (x/2) + 3 = 23

Now the value of x will be,

→ (x/2) + 3 = 23

→ x/2 = 23 - 3

→ x/2 = 20

→ x = 20 × 2

→ [ x = 40 ]

Hence, the value of x is 40.

Please help me!!!! I cannot figure it out

Answers

Answer: 12/37

Step-by-step explanation:

sin A= bc/ab = 12/37

The sine of the angle is equal to the ratio of the opposite to the hypotenuse (Ik this probably made 0 sense but I hope it helps! :D)

what is what is 9+10+12+13+18+17+21+98+207

Answers

Answer:

405

Step-by-step explanation:

Answer: 405

Step-by-step explanation:

Indirect proportional question please answer

Answers

Answer:

y = 250x

Step-by-step explanation:

y = 1/[tex]x^{3}[/tex](k)  Solve for k

2 = 1/[tex]5^{3}[/tex](k)

2 = 1/125 (k)  Multiply both sides by 125

250 = k

y = 250x

50 points to whoever can answer with explanation.

Answers

Answer:

1/ a, c, d

2/ You are missing the option in the picture.

Step-by-step explanation:

If a relation is a function, one input can only have one output!

1/

b is wrong because 1 has two outputs -3 and 0. So, the answer for 1 is: a, c, d

2/

To test whether the graph is a function, we have to see if one x has 2 y or not! If it has 2 y, then it is not a function.

You are missing the options for question 2! So I can't answer number 2.

4. What kind of sequence is the pattern 15, 17, 20, 24, 29,. ? *
is it an arithmetic or geometric sequence?​

Answers

No, the given sequence is neither an arithmetic nor geometric sequence as there is no common difference nor common ratio.

Pattern for difference is dₙ = dₙ₋₁ + 1.

Pattern of the sequence is :

15, 17, 20, 24, 29,.....

15 + 2 = 17

17 + 3 = 20

20 + 4 = 24

24 + 5 = 29

Next number will be

29 + 6 = 35

35 + 7 = 42 and so on.

Difference of two consecutive terms are related by :

dₙ = dₙ₋₁ + 1

Common difference is not same for all the terms so it is not arithmetic sequence.

Common ratio is also not constant implies it is not geometric sequence.

Therefore, pattern for difference is dₙ = dₙ₋₁ + 1 but sequence is neither an arithmetic nor geometric sequence.

Learn more about sequence here

brainly.com/question/30262438

#SPJ4

solve these simultaneous equations
4a+3b=-9
2a+5b=-1

Answers

The solution to the system of equations 4a + 3b = -9 and 2a + 5b = -1 is a = 12, b = -5, found through substitution method.

Simultaneous equations are a set of equations with multiple variables, and the solution of these equations gives us the values of the variables that make all the equations true at the same time. To solve these equations, we can use elimination, substitution or matrices method.

Here, the given set of simultaneous equations is

4a + 3b = -9

2a + 5b = -1

One way to solve this is by substitution, where we solve one equation for one variable and substitute that expression into the other equation. Solving the first equation for "a", we get:

a = -3b - 3

Substituting this expression into the second equation, we get:

2(-3b - 3) + 5b = -1

Expanding the left-hand side, we get:

-6b - 6 + 5b = -1

Combining the like terms, we get:

-b - 6 = -1

Adding b and 6 to both sides, we get:

-b = 5

Finally, dividing both sides by -1, we get:

b = -5

Substituting the value of b back into the expression for a, we get:

a = -3(-5) - 3 = 15 - 3 = 12

So the solution to the system of equations is:

a = 12, b = -5

Learn more about substitution :

https://brainly.com/question/14619835

#SPJ4

The graph shows a relationship between two quantities.
2000
1800
1600
1400
1200
1000
800
600
400
200
STA
y = 1500x + 150
ALONS
JUMA
1 HOUT
TOU
8-6-4-2 0
N
Hilber
2 4
6 8
Which equation best represents the relationship between x and y in the graph?

Answers

y = 1500 + 150x, this is correctly  represents the relationship between x and y in the graph. This can be solved using the slope formula.

What is slope?

Slope, An evaluation of a line's inclination with respect to the horizontal using numbers. The slope of any line, ray, or line segment in analytical geometry is defined as the proportion of the vertically to the horizontally distance between the two points on the line ("slope equals rise over run").

(0, 1500) to (2, 1800)

thus, slope = (y₂ - y₁) / (x₂ - x₁)

or, slope = 300 / 2

or, slope = 150

So, y - 1500 = 150x

thus, y = 1500 + 150x

To know more about slope refer to:

brainly.com/question/16949303

#SPJ1

The complete question is as follows:

a room has a floor dimension of 6 meters by 8 meters the height of the basement is 8 meters what is the total area of all four walls

Answers

Answer:

224 m^2

Step-by-step explanation:

The dimensions of the four walls are:

6x8, 8x8, 6x8, 8x8

The area of all of these walls is 2(6x8 + 8x8) = 224 m^2

help i will give alot of points

Put the following integers in order from least to greatest:

1, 4, and −3.

Answers

Answer:

Hi there! The answer is -3, 1, 4.

Step-by-step explanation:

4 is the greatest and -3 is the least.

Hope this helps!

Brainiest? Can click the crown on this answer? Thanks!

F(x)=-6x^4x+2x^2+12 G(x)=-2x^3+6x^2-x-1

Answers

The value of the expression,

F(x) + G(x) is -6x⁴ -2x³ + 8x² -x + 11.

What is addition?

Combining objects and counting them as one big group is done through addition. In arithmetic, addition is the process of adding two or more integers together. Addends are the numbers that are added, and the sum refers to the outcome of the operation.

Given:

An expression,

F(x) = -6x⁴ + 2x² + 12

And G(x) = -2x³ + 6x² - x - 1

To solve F(x) + G(x):

F(x) + G(x)

= -6x⁴ + 2x² + 12 -2x³ + 6x² - x - 1

Simplifying,

=  -6x⁴ -2x³ + 8x² -x + 11

Therefore, the value is -6x⁴ -2x³ + 8x² -x + 11.

To learn more about the addition;

brainly.com/question/29464370

#SPJ1

The complete question:

F(x) = -6x⁴ + 2x² + 12

And G(x) = -2x³ + 6x² - x - 1

Find out, F(x) + G(x)?

how to determine if vectors are linearly independent

Answers

The value of c is zero and a and b can be something else, because the vector are linearly independent.

A set of vectors is linearly independent if no vector can be expressed as a linear combination of the others (i.e., is in the span of the other vectors). A set of vectors is linearly independent if no vector can be expressed as a linear combination of those listed before it in the set.

Assume the following:

[tex]a\left[\begin{array}{ccc}2\\2\\0\end{array}\right] + b\left[\begin{array}{ccc}1\\-1\\1\end{array}\right] +c\left[\begin{array}{ccc}4\\2\\-2\end{array}\right] = \left[\begin{array}{ccc}0\\0\\0\end{array}\right][/tex]

Determine if a=b=c=0

[tex]2a+b+4c =0 (1)\\ 2a-b+2c =0 (2)\\b-2c=0(3)\\[/tex]

Subtract (2) from (1)

[tex]b+c = 0\\b-2c=0[/tex]

Substitute (5) into (4), we get c=0.

So now what do I do with this fact? I'm tempted to say that only c=0, and a and b can be something else.

Learn more about linearly independent here https://brainly.com/question/12902801

#SPJ4

When rolling a die (number cube), what is the probability of rolling a 2 or a 3?
OA. //
OB.
0C. 1/1/0
OD. 1/1/2
OE. 5/10

Answers

Answer:

1/3

Step-by-step explanation:

6 faces in a die

1/6 of rolling each side

1/6 of rolling 2 or 3

2/6 chance, 1/3 (simplified)

PLS HELPPPPPOOOOPPPP

Answers

Answer:

if there anything you dont understand ask me

intuitively, what do we expect to have when the error term's variance increases when we estimate a simple linear regression model?

Answers

When the variance of the error term increases in a simple linear regression model, it indicates a less accurate model with a high degree of uncertainty in its predictions.

Regression is a statistical method used to model the relationship between two variables, where one of the variables is dependent on the other.

Simple linear regression is a type of regression where the relationship between the dependent variable and the independent variable is modeled as a linear equation.

Mathematically, let's consider the simple linear regression equation as:

Y = β0 + β1X + ε

Where Y is the dependent variable, X is the independent variable, β0 and β1 are the coefficients of the regression equation, and ε is the error term.

The variance of the error term, Var(ε), is a measure of the spread of the residuals. A large variance of the error term indicates that the residuals are spread out over a large range, and thus, the regression model's predictions may not be very accurate.

In other words, a large variance of the error term means that the model has a high degree of uncertainty in its predictions, leading to a larger deviation between the actual and predicted values.

To know more about regression here.

https://brainly.com/question/14184702

#SPJ4

Choose a second initial value that is 0. 01 greater than the initial value from question 9. Iterate it using the function, f, ten times. If necessary, you can round your results to the nearest ten-thousandth. (my initial value from question 9 is 2 btw. )

Answers

The result of the 10th iteration is 1.689, rounded to the nearest ten-thousandth.

The initial value for this question is 2 + 0.01 = 2.01. If we iterate this initial value using the function "f" ten times, we get the following sequence:

1st iteration: f(2.01) = 3.07 - [tex](2.01)^{2}[/tex]= 0.1599

2nd iteration: f(0.1599) = 3.07 - [tex](0.1599)^{2}[/tex]= 2.868201

3rd iteration: f(2.868201) = 3.07 - [tex](2.868201)^{2}[/tex]= 0.34459799

4th iteration: f(0.34459799) = 3.07 - [tex](0.34459799)^{2}[/tex] = 2.46306801

5th iteration: f(2.46306801) = 3.07 - [tex](2.46306801)^{2}[/tex] = 0.86121799

6th iteration: f(0.86121799) = 3.07 - [tex](0.86121799)^{2}[/tex] = 2.11255201

7th iteration: f(2.11255201) = 3.07 -[tex](2.11255201)^{2}[/tex] = 1.47511099

8th iteration: f(1.47511099) = 3.07 -[tex](1.47511099)^{2}[/tex]  = 1.87593299

9th iteration: f(1.87593299) = 3.07 -[tex](1.87593299)^{2}[/tex] = 1.28972499

10th iteration: f(1.28972499) = 3.07 -[tex](1.28972499)^{2}[/tex] = 1.68900499

So, the result of the 10th iteration is 1.689, rounded to the nearest ten-thousandth.

Here is the more information on functions: brainly.com/question/4379163

#SPJ4

Jason purchased a car for $22,995. According to his research, this make and model of car loses all of its marketable value after 9 years. If this car depreciates in a straight line form, what are the coordinates of the intercepts of the depreciation equation?

Answers

The car loses all of its marketable value after 9 years, the x-intercepts represent the points at which the car has lost all of its value, so they are (9, 0) and (0, 22995).

The depreciation equation for the car can be represented as y = mx + b, where y is the value of the car at time x, m is the slope of the line, and b is the y-intercept.

To find the slope, we can use the information that the car loses all of its marketable value after 9 years. The market value of the car will be 0 after 9 years, so we can set y = 0 when x = 9:

0 = m * 9 + b

To find the y-intercept, we can use the information that Jason purchased the car for $22,995. This means that the value of the car at time 0 was $22,995, so we can set y = 22,995 and x = 0:

22,995 = m * 0 + b

Combining these two equations, we can solve for m and b:

0 = m * 9 + b

22,995 = m * 0 + b

b = 22,995

Now that we have found the y-intercept, we can use it to find the x-intercepts by setting y = 0 and solving for x:

0 = m * x + 22,995

0 - 22,995 = m * x

-22,995 = m * x

x = -22,995 / m

Since we don't know the value of m, we can't find the x-intercepts directly. However, since the car loses all of its marketable value after 9 years, the x-intercepts represent the points at which the car has lost all of its value, so they are (9, 0) and (0, 22995).

To learn more about x-intercepts:

https://brainly.com/question/9110422

#SPJ4

Evaluate 1/5r + 9/20 when r = 1/4
1/5 ( blank) + 9/20 = blank + 9/20= Answer?
please answer asap

Answers

The value of the equation is A = 1/2

What is an Equation?

Equations are mathematical statements with two algebraic expressions flanking the equals (=) sign on either side.

It demonstrates the equality of the relationship between the expressions printed on the left and right sides.

Coefficients, variables, operators, constants, terms, expressions, and the equal to sign are some of the components of an equation. The "=" sign and terms on both sides must always be present when writing an equation.

Given data ,

Let the equation be represented as A

Now , the value of A is

Substituting the values in the equation , we get

A = ( 1/5 )r + 9/20   be equation (1)

On simplifying the equation , we get

when r = ( 1/4 )

Substituting the value of r in the equation , we get

A = ( 1/5 ) ( 1/4 ) + 9/20

A = ( 1/20 ) + ( 9/20 )

On further simplification , we get

A = 10/20

A = 1/2

Hence , the equation is A = 1/2

To learn more about equations click :

https://brainly.com/question/19297665

#SPJ1

Marisa divides a number by a power of ten and the quotient is 1.4. She says that if she multiplies the number by the same power of ten, the product is 14,000. What was the dividend in Marisa's original
problem? Use patterns to explain your thinking.

Help

Answers

The required number is 140 and it is divided by 10²

Finding the number:  

Assume the given numbers with 2 different variables and form the mathematical expressions according to the given conditions in the problem. Now solve the resultant equations by substitution method for the values of both variables.  

Here we have

Marisa divides a number by a power of ten and the quotient is 1.4.  

If she multiplies the number by the same power of ten, the product is 14,000.  

Let 'x' be the number and the power of 10 is 'a'

By the given data,

=> x/10ᵃ = 1.4  ---- (1)

=> 10ᵃx = 14000 ---- (2)

From (1)

=> x = 1.4 × 10ᵃ  --- (3)

From (3) and (2)

=> 10ᵃ(1.4 × 10ᵃ) = 14000

=> [tex]10^{2a} = \frac{14000}{1.4}[/tex]  

=> [tex]10^{2a} = 10000[/tex]  

=> [tex]10^{2a} = 10^{4}[/tex]  

=> 2a = 4

=> a = 2

From (3)

=> x = 1.4 × 10²  

=> x = 140  

Therefore,

The required number is 140 and it is divided by 10²

Learn more about Mathematical expressions at

https://brainly.com/question/13227304  

#SPJ1

based on the boxplot, approximately what percent of the people who entered the amusement park met the height requirement for the attraction?

Answers

Based on the boxplot, approximately 50% percent of the people who entered the amusement park met the height requirement for the attraction.

About Box Plot

Box-Plot is a summary of the sample distribution presented graphically which can describe the shape of data distribution (skewness), a measure of central tendency and a measure of dispersion (diversity) of observational data. There are 5 statistical measures that we can read from the boxplot, namely:

minimum value: the smallest observed value Q1: lowest quartile or first quartile Q2: median or average value Q3: highest quartile or third quartile maximum value: the largest observed value.

In addition, the boxplot can also show whether there are outlier values and extreme values from the observed data.

Learn more about box plot at

https://brainly.com/question/1523909

#SPJ4

Other Questions
A broker who is found to be in violation of the Occupational Code for commingling funds may be subject to which of the following disciplinary actions by the Department? A) An order to pay 125% of the amount to the consumer B) A requirement that financial statements certified by a CPA be filed with the Department on a quarterly basis C) A criminal fine of up to $1,000 D) Imprisonment for up to one year-this one I think ____ teaches individuals how to anticipate and cope with inevitable setbacks they will encounter backon the job.a.transfer of trainingb.relapse ... What is the figurative language in the sentence? The news report was a typical Cain and Abel story. write a program to create a menu with the following options addition subtraction multiplication division accepts users input and perform the operation accordingly. . Look at the list of rights. If you could only have three, which would you choose? In what order? What reasons can you give for your choices? Find the coordinates of point P that lies along the directed line segment from M to N and partitions the deferment in the ratio 3 to 2 Mark an X along the spectrum to indicate where President Madisons decision to declare war on Great Britain falls. Then write a sentence justifying your placement. The general requirements that must be met before a health claim can be made for a food product include which of the following?A. A food must be a good source of sat and trans fat but low in sodium and cholestorol.B. The food must be a good source of fiber, protein, vitamin A, calcium or Iron.C. A single serving of the food product cannot contain more than 13 grams of fat, 4 grams of sat fat, 60 mg cholestorol or 480 mg sodium. The size of fish is very important to commercial fishing. A study conducted in 2012 found the length of Atlantic cod caught in nets in Karlskrona to have a mean of 49.9 cm and a standard deviation of 3.74 cm.Round the probabilities to four decimal places.It is possible with rounding for a probability to be 0.0000..c) Find the probability that a randomly selected Atlantic cod has a length of 53.68 cm or less. this my homework problem triose phosphate isomerase converts dihydroxyacetone phosphate to glyceraldehyde 3-phosphate through an intermediate with a carbon-carbon double bond ? Use a graphing tool to solve the system.1.5xy3=182x3y=43Enter the coordinates of the solution in the boxes. Round each coordinate to the nearest hundredth. ___ are the degree of reliability, completeness, and consistency varies from source to source and from report to report. a. Personal Biasesb. Organizational Biasesc. Culture Biasesd. Cognitive Biases Based on energy needs, which is NOT included in the group? A. Na/K pump. b. Pure water flows into the celery sticks and inflates them. c. GLUTS transport glucose molecules from the bloodstream into cells. d. Spraying Lysol in one room and over time smell it in a room that is not sprayed. explain the different types of jurisdiction a court must have before it can render a binding decision in a case. A plumber had two pipes. The ratio of the legth of the longer pipe to the shorter pipe was 9:2. When he cut 1.65m from the longer pipe, the remaining length was 3 times that of the shorter pipe. Find the length of the shorter pipe in meters you are designing a highway to aashto guidelines on rolling terrain where the design speed will be 70 mi/hr. at one section, a 1.25% grade and a -2.25% grade must be connected with an equal-tangent vertical curve. determine the minimum length of curve that can be designed while meeting ssd requirements. how many times does a contractile vacuole contract in one minute? Hi HELLPPPPPPPP PLEASE HELP I WILL MARK BRAINLEST IF YOU HELP ME!!! Find the volume of each solid and round to the nearest tenth if necessary..ANSWER BOTH!!!!! 132^1/25 2^x = 8^1/4Work out the exact value of x algebra please help evaluate the function