Quiz about Compare Functions Algebra

Question 1

Which equation is represented by the table?

Accepted Answer

y = 40(1/2)^x

Answer

y = 40(2)^x

Answer

y = 40 - 2x

Answer

y = 40 - 1/2x

Question 2

Which FUNCTION describes the transformation of shifting f(x)=x² two units right?

Accepted Answer

f(x)= (x - 2)²

Answer

f(x)= x² + 2

Answer

f(x)= x² - 2

Answer

f(x)= (x + 2)²

Question 3

Which function correspond to the graph?

Accepted Answer

$$y=4^x-2$$

Answer

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

Answer

$$y=-4^x-2$$

Answer

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

Question 4

f(x) = 2x² + 12x + 16
What is the average rate of change of f(x) on the interval [-3, -2].

Accepted Answer

2

Answer

1/2

Answer

-2

Answer

-1/2

Question 5

Two linear functions are shown below. Which function has the greater initial value?

Accepted Answer

Function A

Answer

Function B

Question 6

Two linear functions are shown. Linear function J is represented by the equation $$y=\frac{3}{4}x-6$$ . The table represents linear function K. Which Function has a larger x-intercept and what is its x-intercept?

Accepted Answer

Function J, 8

Answer

Function J, -6

Answer

Function K, 5

Answer

Function K, 10

Question 7

Sam is saving more money per week than his sister.

Accepted Answer

TRUE

Answer

FALSE

Question 8

Two linear functions are shown. Linear function J is represented by the equation $$y=\frac{3}{4}x-6$$ . The table represents linear function K. Which Function has a larger x-intercept and what is its x-intercept?

Accepted Answer

Function J, 8

Answer

Function J, -6

Answer

Function K, 5

Answer

Function K, 10

Question 9

When I want to find the maximum or minimum height of an object, I should_____

Accepted Answer

Find the y-coordinate for the vertex.

Answer

Set the equation = 0 and solve.

Answer

Use x = (-b/2a) as my answer.

Answer

Substitute x = 0 into the equation.

Question 10

Write the function for the following table:

Accepted Answer

f(x)= 2(5)^x

Answer

f(x) = 5x + .08

Answer

f(x)= 5x + 2

Answer

f(x) = .08(5)^x

Question 11

Using the parent function f(x) = -2(1.5)^x, which function describes a transformation of f(x) moving down 2 units?

Accepted Answer

f(x) = -2(1.5)^x - 2

Answer

f(x) = -2(1.5)^x + 2

Answer

f(x) = -2*2(1.5)^x

Answer

f(x) = 1.5(-4)^x

Question 12

Compare the rates of change.

Accepted Answer

The rate of change of item II is greater than the rate of change of item I.

Answer

The rate of change of item I is greater than the rate of change of item II.

Answer

The rate of change of item I is equal to the rate of change of item II.

Question 13

Compare the initial values and the rates of change.

Accepted Answer

The y-intercepts are the same, but the rates of change differ.

Answer

The functions have different initial values and different rates of change.

Answer

The rates of change are the same, but the initial values are different.

Answer

The functions have the same initial value, but the rates of change differ.

Question 14

Find the rate of change of the line that passes through points (0, 2) and (2, 6).

Accepted Answer

2

Answer

$$\frac{1}{2}$$

Answer

-2

Answer

$$-\frac{1}{2}$$

Question 15

Compare the initial values of each function.

Accepted Answer

The initial value of item I is greater than the initial value of item II.

Answer

The initial value of item I is equal to the initial value of item II.

Answer

The initial value of item II is greater than the initial value of item I.

Question 16

Determine if the following functions are increasing or decreasing.

Accepted Answer

The function in item I is increasing, and the function in item II is decreasing.

Answer

Both functions are decreasing.

Answer

The function in item I is decreasing, and the function in item II is increasing.

Answer

Both functions are increasing.

Compare Functions Algebra

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