Quiz about Fitting Exponential Functions to Data

Question 1

Describe the function:

Accepted Answer

exponential decay

Answer

exponential growth

Question 2

Describe the function:

Accepted Answer

exponential growth

Answer

exponential decay

Question 3

What type of function is ?

Accepted Answer

Exponential Growth

Answer

Exponential Decay

Question 4

What type of function is $$y=2\left(.85\right)^x$$ ?

Accepted Answer

Exponential Decay

Answer

Exponential Growth

Question 5

Write an equation that presents the population for any year.

Accepted Answer

y = 5(1.2)^x

Answer

y = x + 5

Answer

y = 5(1)x

Answer

y = 1.2x + 5

Question 6

Accepted Answer

A, F

Answer

A, J

Answer

D, F

Answer

D, J

Question 7

Write the equation of the exponential function for the given table.

Accepted Answer

y = 2(1/3)^x

Answer

y = -2(1/3)^x

Answer

y = 1/3(2)^x

Answer

y = 2(-1/3)^x

Question 8

Which graph matches the equation?

Accepted Answer

Graph 1

Answer

Graph 2

Answer

Graph 3

Answer

Graph 4

Question 9

Write an equation

Accepted Answer

y = (20)0.5^x

Answer

y = (20)0.25^x

Answer

y = (0.5)20^x

Question 10

Write an exponential equation.

Accepted Answer

$$y=1\cdot3^x$$

Answer

$$y=1\cdot3$$

Answer

$$y=3\cdot1^x$$

Answer

$$y=0\cdot9^x$$

Question 11

What exponential equation represents the table shown.

Accepted Answer

$$y=3500(.95)^x$$

Answer

$$y=3500(1.05)^x$$

Answer

$$y=3325(1.05)^x$$

Answer

$$y=3325(.95)^x$$

Question 12

What is the exponential function corresponding to the table above?

Accepted Answer

$$f\left(x\right)=120176\left(.636\right)^x$$

Answer

$$f\left(x\right)=120000\left(.636\right)^x$$

Answer

$$f\left(x\right)=-120176\left(.636\right)^x$$

Question 13

What is the exponential function for the table above?

Accepted Answer

$$f\left(x\right)=36496.7\left(1.08\right)^x$$

Answer

$$f\left(x\right)=37000\left(1.08\right)^x$$

Answer

$$f\left(x\right)=36496.7\left(.08\right)^x$$

Question 14

What is the horizontal asymptote for the graph of
f(x)=-2(3)^x+4-8 ?

Accepted Answer

y=-8

Answer

y=8

Answer

x=-8

Answer

x=-4

Question 15

Write the equation for the exponential.

Accepted Answer

$$f\left(x\right)=100\left(0.5\right)^x$$

Answer

$$f\left(x\right)=100\left(50\right)^x$$

Answer

$$f\left(x\right)=100\left(2\right)^x$$

Answer

$$f\left(x\right)=50\left(2\right)^x$$

Fitting Exponential Functions to Data

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