Identify the exponential function whose graph is given below

Identify The Exponential Function Whose Graph Is Given Below

Answers

Answer 1

Answer:

f(x)= -7 * 2^x

Step-by-step explanation:

The graph of the function goes through the point (0,−7) and (1,−14), so if f(x)= ab^x, then

f(0)= ab^0 = a

f(1)= ab^1 =ab

a=-7 and ab =-14 so,

b= -14/-7 = 2

thus the function is f(x)= -7 * 2^x

Answer 2

The exponential function y = -7b² is the required function.

What is an exponential function?

An exponential function is a function which can be defined as y = aˣ,  Where 'x' is  a variable and 'a' is a constant.

From the given diagram,

The graph of the function go through the points (0,-7) and (1,-14),

And graph is exponential,

Let y= abˣ     (1)

y₀ = a and y₁ = ab

At x=0, y₀ = -7 ⇒a=-7

and ab=-14 ⇒ b= 2

Substitute the value of a and b in equation (1) ,

The function,

y = -7b²

The required function is y = -7b².

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Related Questions

A Ferris Wheel is set up at the carnival it has a diameter of 45 feet. What is the total circumference if the ferris wheel makes 4 rotations around?

Answers

Answer:

The circumference is 565.2 feet when the ferris wheel makes 4 rotations.

Step-by-step explanation:

Given that the diameter of the wheel is 45 feet.

That is:

[tex]d = 45\ feet[/tex]

We have to find the radius first

[tex]r = \frac{d}{2} = \frac{45}{2} = 22.5\ feet[/tex]

The circumference of the circular wheel for one rotation will be:

[tex]C = 2\pi r[/tex]

And for four rotations' circumference the circumference of one rotation will be multiplied with 4.

[tex]C = 2 * 3.14 * 22.5\\C = 141.3\ feet[/tex]

Total circumference:

[tex]C_T = 4C\\= 4 * 141.3\\=565.2\ feet[/tex]

Hence,

The circumference is 565.2 feet when the ferris wheel makes 4 rotations.

Using a weighted moving average with weights of 0.60 for June, 0.30 for May, and 0.10 for April, find the July forecast

Answers

This question is incomplete, the complete question is;

Given that a Historical Demand for a product is;

Month         Demand

January      12

February    11

March        15

April           12

May            16

June           15

Using a weighted moving average with weights of 0.60 for June, 0.30 for May, and 0.10 for April, find the July forecast.

Answer: the July forecast is 15

Step-by-step explanation:

Given that;

Month       Demand          Weights

January      12

February    11

March        15

April           12                     0.10

May            16                     0.30

June           15                     0.60

July             ?                          ?

Formula for calculating weighted moving average is

Ft = w1A_t-1 + w2A_t-2 ............+ wnA_t-n  

w1, w2, wn is the weight assigned to the period t-1, t-2, t-n respevtively

A_t-1, A_t-2, A_t-n is the demand period t-1, t-2, t-n respevtively

and n is the total number prior periods in the forecast.

so we just substitute our values into the equation

Forecast(July)  = (15 × 0.6) + (16 × 0.30) + ( 12 × 0.10)

= 9 + 4.8 + 1.2

= 15

Therefore the July forecast is 15

Can the function f(x) = x^2 - 4x + 4 be factored? If so write in factored form.

Answers

Answer:

(x-2)(x-2)

Step-by-step explanation:

Find two things you can multiply to equal to 4 and add to equal -4

-2*-2=4 and -2+-2=-4

Shenea bought 3 bottles of juice for $12. Write the rate as a fraction. Then find the unit rate. ​

Answers

Each bottle is $4

Step-by-step explanation:

12/3

Javier solved the equation shown
8(9 + x) = 192
72 + x = 192
x = 120
Which mistake did Javier make in his calculations?

Answers

Answer:

8 should be multiplied in the parenthesis

Step-by-step explanation:

8(9 + x) = 192

72 + 8x = 192

8x = 120

x = 4

Javier made the mistake while expanding the brackets.

What is the order of operation?

Order of operation means simplify the function , expression etc. in given manner.  

To expand a single bracket multiply each term inside the bracket by the term outside the bracket.

8 (9+x) = 192

8*9 + 8*x = 192

72 + 8x = 192

Now, rearranging the above expression

8x = 192 - 72

8x = 120

x = 120/ 8

x = 5

Hence, Javier made the mistake while expanding the brackets.

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Find the slope of a line parallel to the given line. y=4/5x+5

Answers

Answer:

y = 4/5x

Step-by-step explanation:

Her ya go!

Which of these is an example of typing at an average rate of 42 words per minute?

Answers

Answer:

28 in 2/3

Step-by-step explanation:

42/ 28 = 1.5

60/1.5= 40

40/60-4/6=2/3

28 in 2/3

HELP MEEEEE PLEASEEEEEE

Answers

Answer:

Step-by-step explanation:

2x + 1 = 5

2x = 4

x = 2

Answer : 11
Explained : Substitute 5 for x. You now have 2(5)+1. 2(5)=10. 10+1=11.

Write the equation of the line that has a slope of 2 and passing through (3,-4) point

Answers

Answer:

[tex]y=2x-10[/tex]

Step-by-step explanation:

We know that the line has a slope of 2 and it passes through the point (3, -4).

So, we can use the point-slope form:

[tex]y-y_1=m(x-x_1)[/tex]

Where m is the slope and (x₁, y₁) is a point.

So, let’s substitute 2 for m and (3, -4) for (x₁, y₁). This yields:

[tex]y-(-4)=2(x-3)[/tex]

Solve for y. Distribute the right:

[tex]y+4=2x-6[/tex]

Subtract 4 from both sides. Therefore, our equation is:

[tex]y=2x-10[/tex]

Help !!!..............

....:

Answers

Answer:

2) 0.45 3)1.67 4)8/125

Step-by-step explanation:

1000g=1kg

450g=0.45kg

1 4/6 =10/6

10/6=1.67

0.64=64/1000

64/1000=8/125

What is the value of x?   Enter your answer in the box. x = [ ]​

Answers

Answer:

Since both angles are vertical angles, we need to set them equal to each other.

[tex]2(x + 10) = 3x - 30\\\\2x + 20 = 3x - 30\\\\5x + 20 = 30\\\\5x = 50\\\\x = 10[/tex]

The final answer is x = 10.

Mateo has already swum Four-fifths of the 2,000 meters he is swimming today. If he continues swimming at a pace of Three-fourths of a meter per second, which expression shows the amount of time it will take him to swim the remaining distance? A. 2000 times four-fifths times three-fourths B. 2000 times four-fifths divided by three-fourths C. 2000 times one-fifth times three-fourths D. 2000 times one-fifth divided by three-fourths

Answers

Answer:

D

Step-by-step explanation:

The amount of time that will take him to swim the remaining distance will be [2,000 (1/5)] / (3/4). Then the correct option is D.

What is Algebra?

Algebra is the study of abstract symbols, while logic is the manipulation of all those ideas.

Speed is defined as the length traveled by a particle or entity in an hour. It is a scale parameter. It is the ratio of length to duration.

We know that the speed formula

Speed = Distance/Time

Mateo has proactively swum Four-fifths of the 2,000 meters he is swimming today. On the off chance that he keeps swimming at a speed of Three-fourths of a meter each second.

3/4 = 2,000 (1 - 4/5) / T

T = [2,000 (1/5)] / (3/4)

The amount of time that will take him to swim the remaining distance will be [2,000 (1/5)] / (3/4). Then the correct option is D.

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What does A and B equal?? Helpppp???

Answers

Answer:

I believe that the answers are:

a= 65 degrees

b= 80 degrees

Step-by-step explanation:

Purple 80 and b should be the same so 80 degrees

180 - 80 is 100 which is A so a equals 100-35 whis is 65.

Answer:

a=65°, b=100°

Step-by-step explanation:

Hope the answers help! I got confused at first, but take a last look at line BE. Angle EAF is vertically opposite to this line. This means that angle BAF equals 80°. b=100°. a is just 180-80-35, so a=65°.

A copy machine can print 480 copies every 4 minutes.



A teacher printed 720 copies. How long did it take to print?

Answers

6 minutes would be the answer

Help me with this question pleaseee

Answers

Answer:

Step-by-step explanation:

Remark

If the horizontal lines are parallel, then 2x +  20 = 3x - 10

Equation

2x + 20 = 3x - 10

Add 10 to both sides

2x + 20 + 10 = 3x

Subtract 2x from both sides

30 = x

2x + 20 = 2*30 + 20 = 80

Answer:

x = 30 and both the angles are 80°

__________________________________________________________

In the given figure,

∠(2x + 20) = ∠(3x - 10)             [corresponding angles]

20 = x - 10                                [subtracting 2x from both sides]

x = 30                                      [adding 10 on both sides]

Value of the angles:

the questions required us to find the measure of a certain ∠XAE, but since we cannot see an ∠XAE in the image provided, we will find the measure of both the angles     [let ∠(2x + 20) = ∠1     and     ∠(3x-10) = ∠2]

Measure of ∠1:

We are given that the magnitude of ∠1 is:

∠1 = 2x + 20

since x = 30

∠1 = 2(30) + 20                             [replacing the value of x]

∠1 = 80°

Measure of ∠2:

We are given that the magnitude of ∠2 is:

∠2 = 3x - 10

since x = 30

∠2 = 3(30) - 10                              [replacing the value of x]

∠2 = 80°

Solve the system of equations.
y = 7x - 9
y= 7x + 7
a. (-4,1)
b. (-4,-1)
(4,1)
d. No solution

Answers

Answer:

No solution

Step-by-step explanation:

7x-9 = 7x+7

7x = 7x +16

0 = 16

NO SOLUTION

It’s no solution haha you got this

Suppose a floor is going to be tiled with
square stone tiles that measure ½ foot on
each side. How many tiles are needed for a
rectangular floor that measures 14 ½ feet
long and 8 ½ feet wide?

Answers

Answer:

20 tiles

Step-by-step explanation:

Which term describes 2x + 5 = 17?
A. constant
B. equation
C. inequality
D. expression

Answers

Answer:

Expression

Step-by-step explanation:



The ticker shows trades of stock in Hewlett-Packard (HPQ) ExxonMobil (XOM) and Chevron CTX).

HPQ 6K10.63 0.23 XOM 3K81.72 A 0.08 CVX 9K84.45 0.22

a How many shares of Hewlett-Packard were sold? 308172

& suoma

What was the total value of all the HP shares sola?

Joon bought the shares at this ptice, and her broker charged her 1° commission What was the total cost of her investment

Regne sold the shares of ExxonMobil shown in the above trade and his broker charged him is commission How much monered the broker recente

Rouaid to the nearestent

evold the res of Chernon indicated above through her discount brakter who charge per transactio How much more recere tome

above sale after the brokes took his fee

Answers

Question Completion:

Joon bought the shares at this price, and her broker charged her 1% commission. What was the total cost of her investment?

Regne sold the shares of ExxonMobil shown in the above trade and his broker charged him 1.5% commission How much money did the broker receive?

Lisa sold the shares of Chevron indicated above through her discount broker, who charges $28 per transaction.  How much did Lisa receive from the above after the broker took his fee.

Answer:

Trades of Stock in Hewlett-Packard (HPQ) ExxonMobil (XOM) and Chevron CTX)

a. Shares of Hewlett-Packard sold = 6,000 (6K)

b. The total value of all the HP shares sold is $63,780.

c. Total cost of Joan's investment is $64,417.80.

d. Regne's broker received a commission of $3,677.40.

e. Lisa received $760,022.

Step-by-step explanation:

a) Data and Calculations:

Hewlett-Packard (HPQ)    ExxonMobil (XOM)          Chevron CTX)

HPQ 6K10.63 ∨0.23          XOM 3K81.72 ∧ 0.08    CVX 9K84.45 ∨0.22

b) The total value of all the HP shares sold is 6,000 * $10.63

= $63,780

c) Joan's investment:

Investment = $63,780

Broker's commission = 1% = $637.80

Total cost of Joan's investment = $64,417.80 ($63,780 + $637.80)

d) Regne Broker's Commission:

Investment = $245,160 (3,000 * $81.72)

Commission = $3,677.40 ($245,160 * 1.5%)

e) Lisa received from Chevron's stock sale:

Investment = 9,000 * $84.45 = $760,050

Broker's fee = $28

Lisa's receipt = $760,022 ($760,050 - $28)

Answer:

Step-by-step explanation:

How many shares of Hewlett-Packard were sold? 308172

Explain the process and the properties you have to use to solve the logarithmic equation: [tex]log_3x + log_3 4 - 2log_3 3 = 2[/tex]

Answers

The answer is down below

Mr. Henderson's imaginary) Porsche accelerates from 20 m/s to 60 m/s in 4 seconds. Its acceleration is

Answers

Answer:

[tex]a = 10[/tex]

Step-by-step explanation:

Given

[tex]Initial\ Velocity\ (u) = 20m/s[/tex]

[tex]Final\ Velocity\ (v) = 60m/s[/tex]

[tex]Time = 4s[/tex]

Required

Determine the acceleration

This question will be answered using the first equation of motion.

[tex]v = u + at[/tex]

Substitute values for v, u and t

[tex]60 = 20 + 4 * a[/tex]

[tex]60 = 20 + 4 a[/tex]

Subtract 20 from both sides

[tex]60 - 20= 20 -20 + 4 a[/tex]

[tex]40= 4 a[/tex]

Divide both sides by 4

[tex]10 = a[/tex]

[tex]a = 10[/tex]

Hence, the acceleration is 10m/s/s

see image help me as fast as possible, please

Answers

Answer:

28.2

Step-by-step explanation:

radius of semicircle=(4/2) = 2

circumference of circle=

[tex]2\pi \:r[/tex]

[tex]circumference \: of \: semicircle = 0.5 \times 2\pi \:r[/tex]

perimeter=9+9+2pi+4

=28.2

If the null hypothesis is inside the confidence interval, then the decision was likely to ________ using hypothesis testing.
a) reject the null hypothesis
b) retain the null hypothesis

Answers

Answer:

B: Retain the null hypothesis

Step-by-step explanation:

In the relationship between the confidence interval and hypothesis, it is stated that:

When the confidence interval is constructed, all values that fall inside the interval are considered possible values for the parameter that we are estimating while values that fall outside the interval are rejected as they are considered not possible or realistic values.

Now, If the value of the parameter specified by the null hypothesis falls inside the given confidence interval, then we will fail to reject the null hypothesis at the corresponding significance level. However, If the value specified by the null hypothesis doesn't fall inside the given confidence interval, then the null hypothesis can be rejected at the corresponding significance level.

NEED HELP ASAP PLEASE HELP!!!

HELP PLEASE!!!!!!

Answers

Answer:

1. 230, 219, 208, 197, 186.

2. Arithmetic, you are subtracting a constant rate, instead of an exponential rate.

3. Finite, the question says the farmer only took 10 trips, infinite would be much, much much more trips.

Step-by-step explanation:

1. The pattern is to subtract 11, so you just do this for 3 more times.

2. Geometric sequences could look something like 230-11=219. The you multiply by a random number like 2, then you subtract 219- (11x2), 219-22=197. This sequence does not do that.

3. It says in the question the farmer only does it for 10 more times.

A movie theater sends out a coupon for 40​% off the price of a ticket. Write an equation for the​ situation, where y is the price of the ticket with the​ coupon, and x is the original price of the ticket. Use pencil and paper. Draw a graph of the equation and explain why the line should only be in the first quadrant.

Answers

Answer:

y = 0.6x

It's in the first quadrant because you can't buy a negative amount of tickets and you can't pay a negative amount of money.

Answer:

0.6

Step-by-step explanation:

The radius of a spherical ball is increasing at a rate of 2 cm/min. At exactly what rate (in cm^2/min) is the surface area of the ball increasing when the radius is 9 cm?

Answers

Answer:

51

Step-by-step explanation:

Help plzz will give brainliest

Answers

Answer:

18.2

Step-by-step explanation:

because 17+24+19+17+14=91 then 91/how ever many numbers are in the equation not including the answer is what what you divide by in this case it is 5 so 91/5 is 18.2

Hope this helped!!

                           

18.2 is the answer to your question you know why because I know it is

ll give you brainliest if you give me brainliest but you have to tell me who gave me it bc then I wont know but I WILL CHECK!

Answers

Answer:

Whts a bc

Step-by-step explanation:

Answer:

lol im confusion

Step-by-step explanation:

which of the following presents a geometric sequences​

Answers

what are the options?

Answer:

Where is the options?

...

Write as a decimal -3/5 show the work

Answers

-3/5
-6/10
-.06 is the answer
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