Quiz about What is a Function?

Question 1

Is this a function?

Accepted Answer

Not a Function

Answer

Function

Question 2

Is this a function?

Accepted Answer

Function

Answer

Not a Function

Question 3

Is this a function? Explain.

Accepted Answer

Yes; each x-value has one corresponding y-value.

Answer

No; it is not a straight line.

Answer

Yes; it passes the vertical line test.

Answer

No; there is a line connecting the dots.

Question 4

Is this mapping a function or not a function?

Accepted Answer

Function

Answer

Not a Function

Question 5

Is this mapping a function or not a function?

Accepted Answer

Not a Function

Answer

Function

Question 6

Is this set of ordered pairs a function or not a function?

Accepted Answer

Not a Function

Answer

Function

Question 7

Is this set of ordered pairs a function or not a function?

Accepted Answer

Function

Answer

Not a Function

Question 8

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

Accepted Answer

Function

Answer

Relation

Answer

Linear

Answer

Exponential

Question 9

All of the y values or outputs are called what?

Accepted Answer

Range

Answer

Domain

Answer

Relation

Answer

Function

Question 10

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 11

* answer choices will be out of order * (click on the picture to make it bigger)

Accepted Answer

D

Answer

A

Answer

B

Answer

C

Question 12

What is the domain of this function?

Accepted Answer

D= [-2,8)

Answer

D=[-1,3)

Answer

D= {-1, 0 , 1 , 2, 3}

Answer

D=(2,0)U(0,2)U(2,4)U(4,6)U(6,8)

Question 13

* answer choices will be out of order * (click on the picture to make it bigger)

Accepted Answer

A

Answer

B

Answer

C

Answer

D

Question 14

Which of the following describes a function?

Accepted Answer

Each x-value has exactly one corresponding y-value

Answer

Has repeating x-values

Answer

Doesn't pass vertical line test

Answer

Multiple x-values to one y-value

Question 15

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 16

What is the range of the following graph?

Accepted Answer

all real numbers

Answer

all integers

Answer

any real number greater than zero

Answer

it can not be determined

What is a Function?

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