Quiz about Interpreting Exponential Functions

Question 1

Which function best represents the relationship?

Accepted Answer

B

Answer

A

Answer

C

Answer

D

Question 2

Write an equation for the table

Accepted Answer

$$y\ =\ 4\left(3\right)^x$$

Answer

$$y\ =\ 4x\ +\ 8$$

Answer

$$y\ =\ 3\left(4\right)^x$$

Question 3

The table contains some points on the graph of an exponential function. Select the correct exponential function.

Accepted Answer

$$y=4.5\left(2\right)^x$$

Answer

$$y=2\left(4.5\right)^x$$

Answer

$$y=4.5\left(2\right)^2$$

Answer

$$y=2\left(4.5\right)^2$$

Question 4

The table shows the amount of mold, y, on a surface at various times, x.

Which function could be used to model the amount of mold on the surface after x minutes?

Accepted Answer

$$y=\frac{1}{4}\left(4\right)^x$$

Answer

$$y=\frac{1}{4}x^4$$

Answer

$$y=\frac{1}{16}\left(8\right)^x$$

Answer

$$y=\frac{1}{16}x^8$$

Question 5

Question 5.

Accepted Answer

Option A is correct

Answer

B.

Answer

C.

Answer

D.

Question 6

Given y=3^xdetermine the y-intercept

Accepted Answer

1

Answer

3

Answer

0

Answer

y

Question 7

Write the equation that represents the table below:

Accepted Answer

$$y=4\left(\frac{1}{2}\right)^x$$

Answer

$$y=\frac{1}{2}\left(4\right)^x$$

Answer

$$y=2\left(4\right)^x$$

Answer

$$y=4\left(2\right)^x$$

Question 8

The explicit equation for this table is

Accepted Answer

a_n = 3(4)^{n - 1}

Answer

a_n = 4n - 1

Answer

an = 4n

Answer

an = 3n

Question 9

Given the following table of values, construct the function that represents the sequence.

Accepted Answer

y= 3(4)^x

Answer

y= 4x+3

Answer

y= 3x+4

Answer

y= 4(3)^x

Question 10

What is the explicit equation for the function represented in the table?

Accepted Answer

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

Answer

$$f\left(x\right)=4x^2-2x$$

Answer

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

Answer

$$f\left(x\right)=4x^2+2x$$

Question 11

Write the equation that represents the table below:

Accepted Answer

y=4(1/2)x

Answer

y=1/2(4)x

Answer

y=2(4)x

Answer

y=4(2)x

Question 12

Write the exponential equation that represents the given table.

Accepted Answer

$$y=2\cdot1.5^x$$

Answer

$$y=2\cdot1^x$$

Answer

Answer

$$y=2+1.5x$$

Question 13

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

Accepted Answer

y = 1(1/4)^x

Answer

y = 1(4)x

Answer

y = 4(4)x

Answer

y = 1/4(1)^x

Question 14

What equation models the exponential function in the table:

Accepted Answer

$$y=1\left(3\right)^x$$

Answer

$$y=3\left(1\right)^x$$

Answer

$$y=1\left(x\right)^3$$

Answer

none of these

Question 15

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 16

The graph of an exponential function contains the points (1, 24) and (2, 144). What is the function?

Accepted Answer

$$y=4\left(6\right)^x$$

Answer

$$y=4\left(3\right)^x$$

Answer

$$y=2\left(6\right)^x$$

Answer

$$y=4\left(4\right)^x$$

Question 17

Which equation would generate the table shown?

Accepted Answer

$$f(x)=1(2)^x$$

Answer

$$f(x)=2(1)^x$$

Answer

f(x) = 2x+1

Interpreting Exponential Functions

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