Quiz about Identifying Functions Practice

Question 1

Is the following a function?

Accepted Answer

No, it's not a function.

Answer

Yes, this is a function.

Answer

Can't be determined with this information.

Question 2

Which of the following is NOT a function?

Accepted Answer

Option C is correct

Answer

A.

Answer

B.

Answer

D.

Question 3

Which of the following is a function?

Accepted Answer

Option A is correct

Answer

B.

Answer

C.

Answer

D.

Question 4

Is this a function or not a function?

Accepted Answer

Function

Answer

Not a Function

Question 5

Is this is a function or not a function?

Accepted Answer

Not a Function

Answer

Function

Question 6

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 7

Question 7.

Accepted Answer

Function

Answer

Not a Function

Question 8

Question 8.

Accepted Answer

Not a Function

Answer

Function

Question 9

Question 9.

Accepted Answer

Function

Answer

Not a Function

Question 10

Which of the following is a function?

Accepted Answer

Option D is correct

Answer

A.

Answer

B.

Answer

C.

Question 11

Which set of ordered pairs is a function?

Accepted Answer

{(6,-5), (7, -3), (8, -1), (9, 1)}

Answer

{(9,5), (10,5), (9,-5), (10,-5)}

Answer

{(3,4), (4,-3), (7,4), (3, 8)}

Answer

{(2, -2), (5, 9), (5, -7), (1, 4)}

Question 12

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 13

Does the mapping of these points represent a function? (Note: the left oval represents your x values and the right oval represents your y values)

Accepted Answer

Function

Answer

Not a Function

Question 14

Which is a function?

Accepted Answer

A

Answer

B

Answer

C

Answer

D

Question 15

Question 15.

Accepted Answer

Not a function

Answer

Function

Question 16

All of the x values are called what?

Accepted Answer

Inputs

Answer

Range

Answer

Relation

Answer

Function

Question 17

All of the y values are called what?

Accepted Answer

Outputs

Answer

Domain

Answer

Relation

Answer

Function

Question 18

Question 18.

Accepted Answer

Function

Answer

Not a Function

Identifying Functions Practice

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