Quiz about Functions Review

Question 1

Accepted Answer

Not a Function

Answer

Function

Question 2

What is the definition of function?

Accepted Answer

Every input has only ONE output

Answer

Has inputs and outputs

Answer

Inputs have different outputs every time

Answer

x-values and y-values

Question 3

Is this mapping a function?

Accepted Answer

Function

Answer

Not a Function

Question 4

Choose the relation for this table, graph and mapping.

Accepted Answer

{(-2,-1), (-1,1), (2,3), (3,4)}

Answer

{(-1,0), (0,1), (2,1), (3,4)}

Answer

{(-4,5), (-2,3), (0,1), (2,-1)}

Answer

{(-2,-1), (-1,0), (0,-1), (2,-1)}

Question 5

Which graph does NOT pass the vertical line test?

Accepted Answer

Graph 1

Answer

Graph 2

Answer

Graph 3

Answer

Graph 4

Question 6

How is f(x) read?

Accepted Answer

f of x

Answer

function notation

Answer

f times x

Answer

replaces y

Question 7

If a question asks you to find f(2), what does that mean?

Accepted Answer

Let x = 2

Answer

Let y = 2

Question 8

What is f(0) in this function?

Accepted Answer

2

Answer

-1

Answer

4

Answer

-5

Question 9

What time is the ball 128 feet off the ground?

Select all that apply.

Accepted Answer

1

Accepted Answer

3

Answer

2

Answer

4

Answer

5

Question 10

A local parking garage charges $5 for the first hour and $1.50 for each added hour. Write an equation, where x is the hours and y is the cost.

Is this a function?

Accepted Answer

y = 1.50x + 5

Function

Answer

y = 1.50x + 5

Not a Function

Answer

y = 5x + 1.50

Function

Answer

y = 5x + 1.50

Not a Function

Question 11

What is the domain of a function?

Accepted Answer

The set of all x-values

Answer

The set of all y-values

Question 12

All of the y-values or outputs are called what?

Accepted Answer

Range

Answer

Domain

Answer

Function

Answer

Relation

Question 13

List the type of interval on the graph in order.

Accepted Answer

increasing, constant, decreasing, constant

Answer

decreasing, constant, increasing, constant

Answer

increasing, decreasing, constant

Answer

increasing, constant, increasing, constant

Question 14

What are the green points on the graph called?

Accepted Answer

x-intercepts

Answer

maximum

Answer

minimum

Answer

y-intercepts

Question 15

Select the x- and the y-intercepts.

Check all possible answers.

Accepted Answer

( -4, 0 )

Accepted Answer

( 0, -3 )

Accepted Answer

( 2, 0 )

Answer

( 0, -4 )

Answer

( -3, 0 )

Functions Review

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