Quiz about Is it a function?

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

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 3

Is this mapping a function or not a function?

Accepted Answer

Function

Answer

Not a Function

Question 4

Question 4.

Accepted Answer

Not a Function

Answer

Function

Question 5

.

Accepted Answer

Function

Answer

Not a Function

Question 6

.

Accepted Answer

Not a Function

Answer

Function

Question 7

Is this a function?

Accepted Answer

Function

Answer

Not a Function

Question 8

Question 8.

Accepted Answer

Not a Function

Answer

Function

Question 9

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 10

Is this table a function or not a function?

Accepted Answer

Not a Function

Answer

Function

Question 11

Is it a function?

Accepted Answer

Yes

Answer

No

Question 12

Which value shown can replace the letter, a, so that the table is a function?

Accepted Answer

2

Answer

-3

Answer

-1

Answer

5

Question 13

Which value shown can replace the letter, a, so that the table is NOT a function?

Accepted Answer

-1

Answer

-11

Answer

25

Answer

3

Question 14

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 15

.

Accepted Answer

Function

Answer

Not a Function

Question 16

.

Accepted Answer

Not a Function

Answer

Function

Question 17

Is it a function?

Accepted Answer

No

Answer

Yes

Question 18

Is it a function?

Accepted Answer

Yes

Answer

No

Question 19

Is it a function?

Accepted Answer

No

Answer

Yes

Question 20

Is it a function?

Accepted Answer

Yes

Answer

No

Question 21

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

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