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Is this a function?

Total questions: 45

Worksheet time: 11hrs 15mins

Name
Class
Date
1.
Is this mapping a function or not a function? 
a)
Function
b)
Not a Function 
2.
Is the relation a function? 
{(4,5), (4,-7), (4,2), (4,0), (4,9)}
a)
Yes
b)
No
3.
Is this table a function or not a function? 
a)
Function
b)
Not a Function
4.
Is this a function? Explain.
a)
Yes; it passes the horizontal line test.
b)
No; it is not a straight line.
c)
Yes; it passes the vertical line test.
d)
No; there is a line connecting the dots.
5.
Is the relation a function? Why.
a)
Yes, because the x-value 11 has two y-values pair with it.
b)
Yes, because each x-value has only one y-value paired with it.
c)
No, because the x-value 11 has two y-values pair with it.
d)
No, because each x-value has only one y-value paired with it.
6.

Is this a function or not?

a)

Function

b)

Not a Function

7.
Which graph does NOT pass the vertical line test?
a)
Graph 1
b)
Graph 2
c)
Graph 3
d)
Graph 4
8.

Is this a function?

a)

Yes

b)

No

c)

Let me ask my dog...

d)

Why are there letters in math?

9.

Is this a function?

a)

Yes

b)

No

c)

I'm Confused

d)

May I phone a friend?

10.
Which set of values is a function?
a)
(9,5) (10,5) (9,-5) (10,-5)
b)
(3,4) (4,-3) (7,4) (3, 8)
c)
(6,-5) (7, -3) (8, -1) (9, 1)
d)
(2, -2) (5, 9) (5, -7) (1, 4)
11.

Which set of values is not a function?

a)

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

b)

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

c)

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

d)

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

12.
Is this set of ordered pairs a function or not a function? 
a)
Function
b)
Not a Function 
13.
Is this mapping a function or not a function? 
a)
Function
b)
Not a Function
14.
Is this graph a function or not a function? 
a)
Function 
b)
Not a Function
15.
Is this mapping a function or not a function? 
a)
Function
b)
Not a Function 
16.
a)
Function
b)
Not a Function
17.
Is this mapping a function or not a function? 
a)
Function
b)
Not a Function
18.
a)
Function
b)
Not a Function
19.
a)
Function
b)
Not a Function
20.
a)
Function
b)
Not a Function
21.
a)
Function
b)
Not a Function
22.
a)
Function
b)
Not a Function
23.

Is it a function?

a)

It IS a function.

b)

It IS NOT a function

24.

Is it a function?

a)

It IS a function.

b)

It IS NOT a function

25.

Is it a function?

a)

It IS a function.

b)

It IS NOT a function

26.
Is this mapping a function and how can you tell?
a)
Yes its a function cause all the numbers have lines
b)
No it's not a function because there a 5 in both ovals
c)
No it's not a function because the x value 5 has y values of  2 & 9
d)
No it's not a function because the y value 5 has x values of  2 & 9
27.
Is this table a function and how can you tell?
a)
Yes its a function because there are not variables for missing numbers
b)
No it's not a function because the y value 4 repeated
c)
No it isn't a function because the x value 2 is repeated
d)
No it's not a function because the x value 5 has y values of  10 & 12
28.
Is this set of ordered pairs a function or not a function? 
a)
Function
b)
Not a Function 
29.
a)
Function
b)
Not a Function
30.
a)
Function
b)
Not a Function
31.
Which set of values is a function?
a)
(9,5) (10,5) (9,-5) (10,-5)
b)
(3,4) (4,-3) (7,4) (3, 8)
c)
(6,-5) (7, -3) (8, -1) (9, 1)
d)
(2, -2) (5, 9) (5, -7) (1, 4)
32.
a)
Function
b)
Not a Function
33.
a)
Function
b)
Not a Function
34.

What is the test to determine if a graph represents a function?

a)

Horizontal line test

b)

Vertical line test

c)

Heidelberg Uncertainty Test

d)

Obi Wan Kenobi Test

35.

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

a)

Relation

b)

Linear

c)

Exponential

d)

Function

36.
All of the x values or inputs are called what?
a)
Domain
b)
Range
c)
Relation
d)
Function
37.

Is it a function?

a)

It IS a function.

b)

It IS NOT a function

38.

Is it a function?

a)

It IS a function.

b)

It IS NOT a function

39.

Is it a function?

a)

It IS a function.

b)

It IS NOT a function

40.

Is it a function?

a)

It IS a function.

b)

It IS NOT a function

41.

Is it a function?

a)

It IS a function.

b)

It IS NOT a function

42.

Is it a function?

a)

It IS a function.

b)

It IS NOT a function

43.

Is it a function?

a)

It IS a function.

b)

It IS NOT a function

44.
Which of the following guarantees a table will not be a function?
a)
A x value repeats
b)
An y value repeats
c)
An x value repeats and has different y values
d)
A y value repeats and has different x values
45.
Is this set of ordered pairs a function and how can you tell?
a)
Yes its a function because no y values repeat
b)
No it's not a function because there are negative numbers
c)
No it isn't a function because an x value repeats but has different y values 
d)
No it isn't a function because an y value repeats but has different x values

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