Quiz about Determining Functions

Question 1

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 2

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 3

Is this table a function or not a function?

Accepted Answer

Not a Function

Answer

Function

Question 4

Which set of values 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 5

Is this graph a function or not a function?

Accepted Answer

Not a Function

Answer

Function

Question 6

Is this graph a function or not a function?

Accepted Answer

Function

Answer

Not a Function

Question 7

Is this graph a function or not a function?

Accepted Answer

Function

Answer

Not a Function

Question 8

Is this graph a function or not a function?

Accepted Answer

Function

Answer

Not a Function

Question 9

Give the domain and range. Tell if it is a function.

Accepted Answer

D: {-4, -2, 0, 2}
R: {-2, 1}
Function

Answer

D: {-4, -2, 0, 2}
R: {-2, -2, 1, 1}
Function

Answer

D: {-4, -2, 0, 2}
R: {-2, -2, 1, 1}
Not a Function

Answer

D: {-4, -2, 0, 2}
R: {-2, 1}
Not a Function

Question 10

All of the y values or outputs are called what?

Accepted Answer

Range

Answer

Domain

Answer

Relation

Answer

Function

Question 11

All of the x values or inputs are called what?

Accepted Answer

Domain

Answer

Range

Answer

Relation

Answer

Function

Question 12

Which of these is NOT the same

Accepted Answer

Input

Answer

Range

Answer

Dependent Value

Answer

Y-Value

Question 13

What is the range of the following relation:
(9, -2) (4, 3) ( 8, 10) ( -4, 8)

Accepted Answer

-2, 3, 8, 10

Answer

-4, 4, 8, 9

Answer

(9, -2) ( 4, 3)

Answer

(8, 10) (-4, 8)

Question 14

For the function {(0,1), (1,-3), (2,-4), (-4,1)}, write the domain and range.

Accepted Answer

D:{0, 1, 2, -4}
R:{1, -3, -4}

Answer

D: {1, -3, -4,}
R: {0, 1, 2, -4}

Answer

D:{0, 1, 2, 3, 4}
R:{1, -3, -4}

Question 15

Evaluate f(-2) if f(x) = x+3

Accepted Answer

1

Answer

-1

Answer

5

Answer

-5

Question 16

For the function, y = 2x⁴ + 3, which variable represents the input?

Accepted Answer

x

Answer

y

Answer

q

Answer

s

Question 17

Which graph does NOT pass the vertical line test?

Accepted Answer

Graph 1

Answer

Graph 2

Answer

Graph 3

Answer

Graph 4

Question 18

On a graph, which axis shows the independent variable?

Accepted Answer

x-axis

Answer

y-axis

Answer

neither

Answer

it changes

Question 19

A(n) _____________ variable depends on or is changed by another variable.

Accepted Answer

dependent

Answer

independent

Question 20

Is this is a function or not a function?

Accepted Answer

Not a Function

Answer

Function

Question 21

Is this mapping a function or not a function?

Accepted Answer

Function

Answer

Not a Function

Question 22

What is f(4) if f(x) = 2x - 2?

Accepted Answer

6

Answer

19

Answer

12

Answer

22

Question 23

You can identify a function from a graph by using the.....

Accepted Answer

Vertical Line Test

Answer

Horizontal Line Test

Answer

Eye Test

Answer

Diagonal Line Test

Question 24

Which of the following is a function?

Accepted Answer

Option D is correct

Answer

A.

Answer

B.

Answer

C.

Question 25

Which of the following is a function?

Accepted Answer

Option A is correct

Answer

B.

Answer

C.

Answer

D.

Determining Functions

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