Quiz about Is It a Function or Not?

Question 1

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 2

Is this mapping a function or not a function?

Accepted Answer

Function

Answer

Not a Function

Question 3

Is this a function? Explain.

Accepted Answer

Yes; it passes the vertical line test.

Answer

Yes; it passes the horizontal line test.

Answer

No; it is not a straight line.

Answer

No; there is a line connecting the dots.

Question 4

Question 4.

Accepted Answer

Not a Function

Answer

Function

Question 5

Question 5.

Accepted Answer

Function

Answer

Not a Function

Question 6

.

Accepted Answer

Not a Function

Answer

Function

Question 7

.

Accepted Answer

Function

Answer

Not a Function

Question 8

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 9

Is this mapping a function or not a function?

Accepted Answer

Not a Function

Answer

Function

Question 10

Is this graph a function or not a function?

Accepted Answer

Function

Answer

Not a Function

Question 11

Which graph does NOT pass the vertical line test?

Accepted Answer

Graph 1

Answer

Graph 2

Answer

Graph 3

Answer

Graph 4

Question 12

Question 12.

Accepted Answer

Not a Function

Answer

Function

Question 13

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 14

Is the relation a function?{(1,5),(1,7),(3,9),(4,11)}

Accepted Answer

No

Answer

Yes

Question 15

Is the relation{(<,>),(^,-),(+,=),(&,%)} a function?

Accepted Answer

yes, since no first element is repeated

Answer

yes, because there are 4 ordered pairs

Answer

no, because functions must have numbers

Answer

no, because the"&" isn't a math symbol

Question 16

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 17

Does this mapping diagram represent a function?

Accepted Answer

Yes, because each input goes to one and only one output

Answer

No, because an input value goes to multiple output values

Question 18

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 19

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 20

Is this graph a function or not a function?

Accepted Answer

Function

Answer

Not a Function

Question 21

Is this table a function or not a function?

Accepted Answer

Not a Function

Answer

Function

Question 22

Is this a function?

Accepted Answer

No, it is not a function.

Answer

Yes, it is a function.

Question 23

Which set of values is not a function?

Accepted Answer

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

Answer

(9,5) (10,5) (4,-5) (8,-5)

Answer

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

Answer

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

Question 24

.

Accepted Answer

Function

Answer

Not a Function

Question 25

Question 25.

Accepted Answer

Not a Function

Answer

Function

Question 26

Is this table a function or not a function?

Accepted Answer

Not a Function

Answer

Function

Question 27

Is this graph a function or not a function?

Accepted Answer

Not a Function

Answer

Function

Question 28

Is this graph a function or not a function?

Accepted Answer

Function

Answer

Not a Function

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