Quiz about Interpreting Functions

Question 1

Is the relation a function? Why?

Accepted Answer

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

Answer

Yes, because the x-value 11 has two y-values paired 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 2

Is this mapping a function or not a function?

Accepted Answer

Function

Answer

Not a Function

Question 3

Is this table a function or not a function?

Accepted Answer

Not a Function

Answer

Function

Question 4

Is this graph a function or not a function?

Accepted Answer

Function

Answer

Not a Function

Question 5

Accepted Answer

C

Answer

A

Answer

B

Answer

D

Question 6

Question 6.

Accepted Answer

C.

Answer

A.

Answer

B.

Answer

D.

Question 7

Which graph does NOT pass the vertical line test?

Accepted Answer

Graph 1

Answer

Graph 2

Answer

Graph 3

Answer

Graph 4

Question 8

Is this graph a function or not a function?

Accepted Answer

Not a Function

Answer

Function

Question 9

Is the following graph a function? Explain.

Accepted Answer

Yes, because no x-value repeats.

Answer

Yes, because they are individual dots.

Answer

No, because the x repeats.

Answer

No, because it is not a line.

Question 10

Given the function, f, shown on the graph, what is the value of f(3)?

Accepted Answer

2

Answer

0

Answer

6

Answer

1

Question 11

How would you write y = 2x - 3 in function notation?

Accepted Answer

f(x) = 2x - 3

Answer

y = 2x-3

Answer

f = 2x - 3

Answer

Can't be written in function notation

Question 12

Find f(2)

Accepted Answer

5

Answer

4

Answer

3

Answer

0

Question 13

Question 13.

Accepted Answer

Yes

Answer

No

Question 14

Question 14.

Accepted Answer

No

Answer

Yes

Question 15

Is this is a function or not a function?

Accepted Answer

Not a Function

Answer

Function

Question 16

Is this a function or not a function?

Accepted Answer

Function

Answer

Not a Function

Question 17

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 18

Given f(x) = -4x - 10 and f(x) = 10. Find x

Accepted Answer

x = -5

Answer

x = 5

Answer

x = -50

Answer

x = 30

Question 19

If f(x) = -4x - 5 and
g(x) = 3 - x,
what is g(-4) + f(1)?

Accepted Answer

-2

Answer

7

Answer

-9

Answer

-10

Question 20

Is this a function?

Accepted Answer

Yes

Answer

No

Answer

Maybe

Answer

It's a curvy line

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