Quiz about Is this a function?

Question 1

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 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 map a function or not a function?

Accepted Answer

Not a Function

Answer

Function

Question 4

Is this mapping a function or not a function?

Accepted Answer

Function

Answer

Not a Function

Question 5

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 6

Question 6.

Accepted Answer

Not a Function

Answer

Function

Question 7

Question 7.

Accepted Answer

Function

Answer

Not a Function

Question 8

.

Accepted Answer

Not a Function

Answer

Function

Question 9

.

Accepted Answer

Function

Answer

Not a Function

Question 10

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 11

Is this graph a function or not a function?

Accepted Answer

Function

Answer

Not a Function

Question 12

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

Accepted Answer

Not a Function

Answer

Function

Question 13

Which graph does NOT pass the vertical line test?

Accepted Answer

Graph 1

Answer

Graph 2

Answer

Graph 3

Answer

Graph 4

Question 14

Question 14.

Accepted Answer

Not a Function

Answer

Function

Question 15

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 16

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

Accepted Answer

No

Answer

Yes

Question 17

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 18

Is this set of ordered pairs a function and how can you tell?

Accepted Answer

No it isn't a function because an x value repeats but has different y values

Answer

Yes its a function because no y values repeat

Answer

No it's not a function because there are negative numbers

Answer

No it isn't a function because an y value repeats but has different x values

Question 19

Look at this graph. Is the relation a function?

Accepted Answer

yes

Answer

no

Is this a function?

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