Quiz about Math Functions

Question 1

Which graph is NOT a function?

Accepted Answer

Graph 1

Answer

Graph 2

Answer

Graph 3

Answer

Graph 4

Question 2

Question 2.

Accepted Answer

{1, 2, 3, 5}

Answer

{1, 2, 3, 4, 5}

Answer

{-1, 1, 2, 3}

Answer

[1, 5]

Question 3

All of the y values or outputs are called what?

Accepted Answer

Range

Answer

Domain

Answer

Relation

Answer

Function

Question 4

Evaluate f(-3) if f(x) = 3x + 21

Accepted Answer

12

Answer

30

Answer

11

Answer

-30

Question 5

Question 5.

Accepted Answer

{-2, 3, 7}

Answer

[-2, 3]

Answer

{1, 2, 2, 3, 4}

Answer

[1, 4]

Question 6

In the set of ordered pairs {(2,-4), (3, 0), (5, 3), (8, 8)}, what is the range?

Accepted Answer

{-4, 0, 3, 8}

Answer

{2, 3, 5, 8}

Answer

{-4, 3, 5, 8}

Answer

{2, 0, 3, 8}

Question 7

Evaluate f(x)= 6x -13,
find f(3)

Accepted Answer

5

Answer

-5

Answer

4

Answer

-4

Question 8

All of the x values or inputs are called what?

Accepted Answer

Domain

Answer

Range

Answer

Relation

Answer

Function

Question 9

Does the graph represent a function?

Accepted Answer

No, because the vertical line test shows there are repeating input values

Answer

Yes, because the vertical line test shows there are no repeating input values

Question 10

Does the table represent a function or not a function?

Accepted Answer

Function

Answer

Not a Function

Question 11

What is the y-intercept in the equation y=5x+7 ?

Accepted Answer

7

Answer

0

Answer

1

Answer

2

Question 12

Given f(x) = -9x +5,
find f(8).

Accepted Answer

-67

Answer

-360

Answer

79

Answer

-45

Question 13

Whats f(4) in the function  f(x)=6x-1

Accepted Answer

23

Answer

14

Answer

32

Answer

38

Question 14

In the set of ordered pairs {(-2,0), (0,6), (2,12), (4,18)}, what is the domain?

Accepted Answer

{-2, 0, 2, 4}

Answer

{-2, 6, 2, 4}

Answer

{0, 0, 2, 4}

Answer

{2, 12, 4, 18}

Question 15

Is the relation a function? Why.

Accepted Answer

No, because the x-value 11 has two y-values pair with it.

Answer

Yes, because the x-value 11 has two y-values pair with it.

Answer

Yes, because each x-value has only one y-value paired with it.

Answer

No, because each x-value has only one y-value paired with it.

Question 16

What is the y -intercept (b) on this graph?

Accepted Answer

5

Answer

6

Answer

0

Answer

-5

Question 17

Find the slope of the line.

Accepted Answer

-1

Answer

-2

Answer

2

Answer

1

Question 18

Which graph IS a function?

Accepted Answer

Graph 1

Answer

Graph 2

Answer

Graph 3

Answer

Graph 4

Question 19

A relation where every input matches with exactly one output is called what?

Accepted Answer

function

Answer

a parabola

Answer

irrational

Answer

exponential

Question 20

Write the equation for the line.

Accepted Answer

y= 3x+1

Answer

y= -1x+3

Answer

y=(1/4)x+3

Answer

y= x+3

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