What are the domain and the range of function f?

Answer:

405

Step-by-step explanation:

Answer: 405

Step-by-step explanation:

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.

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

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

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)

Answer:

[tex]x < \dfrac{18}{5}[/tex]

Step-by-step explanation:

      7x - 5 < 13

Add 5 to both sides

            7x < 13 + 5

            7x < 18

Divide both sides by 7,

             [tex]\sf x < \dfrac{18}{7}[/tex]

Answer:

[tex]x < \dfrac{18}{7}[/tex]

Step-by-step explanation:

We are being asked to solve for x as an improper fraction in simplest form given the equation: [tex]7x - 5 < 13[/tex].

First, we must isolate the variables (x's) from the constants (numbers). We can achieve this by adding 5 to both sides.

[tex]7x - 5 + 5 < 13 + 5[/tex]

           [tex]7x < 18[/tex]

Then, we can solve for one multiple of x by dividing both sides by x's coefficient, which is 7.

[tex]7x < 18\\\overline{\ 7\ } \ \ \ \: \overline{\ 7\ }[/tex]

[tex]x < \dfrac{18}{7}[/tex]

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

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

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.

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Answer:

Step-by-step explanation:

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)

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.

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

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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.

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Answer:

Step-by-step explanation:

The Answer would be -4x

Because 3-7= -4

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

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

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The complete question is as follows:

The exponential decay model for the investment of $38,976 with decreased rate 3.5% for 't' years is equal to option b. 38,976 (0.965 )^t.

Invested amount by Kindred =  $38,976

Each year investment decreased by 3.5%

Number of years represented by 't' = 3 years

Amount decreased by 100 - 3.5% = 96.5%

                                                        = 0.965

Total amount decreased in three years = $38,976  × ( 0.965 )³

                                                                  = $35,025.085

Exponential decay model for 't' years at the same rate is given by the equation :

= 38,976  × ( 0.965 )^t

Therefore, the exponential decay model for the given situation of investment with decreasing rate is given by option b. 38,976 (0.965 )^t.

The above question is incomplete , the complete question is:

Kindred invested $38,976 into his first company. His investment decreased by 3.5% each year over the first 3 years. Which exponential decay model could Kindred use to determine the amount his investment will be worth if it continues to decrease at the same rate?

a. 38,976 (1.035 )^t

b. 38,976 (0.965 )^t

c. 38,976 (1 -r )^3.5

d. 38,976 (1 -r )^0.035

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Answer:

i cant be botherd to help but

Step-by-step explanation:

use the knolage 180 degrees = full triangle

180 degress = 1 stright line

Answer:

40⁰

Step-by-step explanation:

Angles subtended by the same chord on the circumference

y= 40⁰

Class A and Class C sell 187.5 altogether

Represent the classes with their initials

So, we have

B = 2A

C = 3/4 * B = 3/4 * 2A

C = 3/2A

The total number of bars they had initially was

A + B + C = Total

A + 2A + 3/2A = Total

Total = 4.5A

The average number of bars the 3 classes had initially was 225,

So

4.5A = 225

A = 75

For Class A and Class C together, we have

Class A and C = A + 3/2A

Class A and C = 75 + 3/2 * 75

Class A and C = 187.5

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The required number is 140 and it is divided by 10²

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

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

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:

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

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The number of peanut butter sandwiches in the first bag is 6 and in the second bag is 4. So, the probability of picking a peanut butter sandwich from each bag is 1/6.

The probability of an event happening is the number of successful outcomes divided by the number of total possible outcomes. In this case, there are two bags of sandwiches and John is picking one sandwich from each bag.

The first bag has 12 sandwiches in total, 6 of which are peanut butter. So, the probability of picking a peanut butter sandwich from the first bag is 6/12 or 1/2.

The second bag has 12 sandwiches in total, 4 of which are peanut butter. So, the probability of picking a peanut butter sandwich from the second bag is 4/12 or 1/3.

To find the probability of both sandwiches being peanut butter, you multiply the individual probabilities:

1/2 * 1/3 = 1/6.

So, the probability of both sandwiches being peanut butter is 1/6.

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The survey does not result in a simple random sample of Cubs fans who sit in the bleachers. So, option E) is correct.

Simple random sampling is a method of selecting a sample from a population such that each element in the population has an equal chance of being selected. This is achieved by using a random number generator or by randomly assigning a number to each element in the population and then selecting a sample based on those numbers.

In this case, the survey plan to select every one-hundredth fan entering the bleachers is not a simple random sample because not every sample of the intended size has an equal chance of being selected. For example, the first fan entering the bleachers has a 1 in 100 chance of being selected, while the second fan has a 2 in 100 chance of being selected. This creates a non-uniform selection process, which is not representative of simple random sampling.

Therefore, the survey plan to select every one-hundredth fan entering the bleachers results in a form of systematic sampling, which is not a simple random sample.

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Complete Question: One afternoon, a surveyor intends to pick every fan entering the bleachers to get the views of those who sit in them at Wrigley Field. Will this lead to a straightforward random sample of Cubs supporters seated in the stands?

A. Yes, as each bleacher spectator has an equal chance of getting chosen.

B. The answer is yes, but only if the bleachers have a single entrance.

C. The control group will consist of the 99 out of 100 bleacher spectators who were not chosen.

D. The answer is "yes," as this is an illustration of systematic sampling, a subset of basic random sampling.

E. No, since there are unequal odds of selecting each sample of the intended size.

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

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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!

If the variance of a sample of 169 observations equals 576, then the standard deviation of the sample equals to 24.

It is given that number of observations are 169 and their variance is 576,

now we have to find the standard deviation of the sample :

The Standard Deviation is a measure of how spread out numbers are. It's symbol is σ. It is the square root of the Variance. Variance is the average squared deviations from the mean.

Standard deviation (σ) = [tex]\sqrt{variance}[/tex]

Standard deviation (σ) = [tex]\sqrt{576}[/tex]

Standard deviation (σ) = 24

so the  standard deviation of the sample is 24.

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The expression evaluates to 14x + 22.

From the question, we have the following parameters that can be used in our computation:

3/4(24x + 28) - (4x - 1)

We can start by simplifying the expression inside the parentheses:

3/4(24x + 28) - (4x - 1)

Remove the brackets

18x + 21 - 4x + 1

Evaluate the like terms

14x + 22

So, the value of the expression evaluates to 14x + 22.

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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.

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There is an evidence that suggest that the survey is biased because the proportion of African Americans in the population, in our test, is less than 11%.

To determine if the survey is biased, we can use hypothesis testing.  Let's define our null hypothesis as: "the proportion of African Americans in the population is 11%". Let's define our alternative hypothesis as "the proportion of African Americans in the population is less than 11%".

We can then use a one-tailed z-test to test our hypothesis, with a significance level of 0.05. The formula for the test statistic is:

z = (p - P) / sqrt(P(1-P)/n)

Plugging in the values, we get:

z = (0.08 - 0.11) / sqrt(0.11(1-0.11)/600)

x = -2.23

Looking up the critical value for a one-tailed test with a significance level of 0.05, we find it to be -1.645. Since our calculated z-value (-2.23) is less than the critical value (-1.645), we reject the null hypothesis and conclude that there is evidence to suggest that the proportion of African Americans in the population is less than 11%.

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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