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Worksheets

Functions

Total questions: 42

Worksheet time: 6hrs 54mins

Name
Class
Date
1.

To be considered a FUNCTION what cannot repeat?

(a)  

2.

What is the definition of a function?

a)

Has inputs and outputs

b)

Inputs have different outputs every time

c)

x-values and

y-values

d)

Every input has only one output

3.
a)
Yes
b)
No
4.
a)
Yes
b)
No
5.
Is this is a function or not a function?
a)
Function
b)
Not a Function
6.
Is this a function or not a function?
a)
Function
b)
Not a Function
7.

Which set of ordered pairs 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)}

8.
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.
9.

Which graph represents a function?

a)
b)
c)
d)
10.

Which image is NOT the graph of a function?

a)
b)
c)
d)
11.

Does the table represent a function?

a)

Yes

b)

No

12.
a)
Function
b)
Not a Function
13.
Which of these tables represent a function?
a)

A

b)

B

c)

C

d)

D

e)

all of the above

14.

Choose the best answer that describes the image.

a)

Function

b)

Not a function

15.
Define this graph. Does it pass the vertical line test?
a)
Function
b)
Not a Function
c)
Linear
d)
Undefined
16.

Is the table above a function?

a)

This is a Function

b)

This is Not a Function

17.

Is the table above a function?

a)

This IS a Function

b)

This is NOT a Function

c)

This is a linear function

d)

This is a toaster oven

18.

Is this number mapping a function?

a)

Function

b)

Not a Function

c)

Venn Diagram

d)

T - Table

19.
a)
Function
b)
Not a Function
20.
a)
Function
b)
Not a Function
21.
Is this graph a function or not a function? 
a)
Function
b)
Not a Function
22.
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)
23.
Give the domain and range. Tell if it is a function.
a)
D: {-4, -2, 0, 2}
R: {-2, -2, 1, 1}
Function
b)
D: {-4, -2, 0, 2}
R: {-2, 1}
Function
c)
D: {-4, -2, 0, 2}
R: {-2, -2, 1, 1}
Not a Function
d)
D: {-4, -2, 0, 2}
R: {-2, 1}
Not a Function
24.
All of the y values or outputs are called what?
a)
Domain
b)
Range
c)
Relation
d)
Function
25.
All of the x values or inputs are called what?
a)
Domain
b)
Range
c)
Relation
d)
Function
26.
For the function {(0,1), (1,-3), (2,-4), (-4,1)}, write the domain and range.
a)
D: {1, -3, -4,}
R: {0, 1, 2, -4}
b)
D:{0, 1, 2, -4}
R:{1, -3, -4}
c)
D:{0, 1, 2, 3, 4}
R:{1, -3, -4}
27.
Which graph does NOT pass the vertical line test?
a)
Graph 1
b)
Graph 2
c)
Graph 3
d)
Graph 4
28.
a)

FUNCTION

b)

NOT A FUNCTION

29.
a)

FUNCTION

b)

NOT A FUNCTION

30.
a)

FUNCTION

b)

NOT A FUNCTION

31.
a)

FUNCTION

b)

NOT A FUNCTION

32.
a)

FUNCTION

b)

NOT A FUNCTION

33.
a)
b)
c)
d)
34.

Which sets of ordered pairs represent y as a function of x?

Select TWO correct answers.

a)

A

b)

B

c)

C

d)

D

e)

E

35.

Which set of ordered pairs represents y as a function of x?

a)

A

b)

B

c)

C

d)

D

36.

List the following numbers from least to greatest:

-64 , 3.5 , √27 , 6.666...

a)

-64 , 3.5 , √27 , 6.666...

b)

3.5 , √27 , 6.666..., -64

c)

3.5, -64, √27, 6.666...

d)

6.666, √27, -64, 3.5

37.
Point B could represent which of the following numbers?
a)
√24
b)
√30
c)
√35
d)
√42
38.

Write the number 0.000000248 in scientific notation.

a)

2.48×1072.48\times10^7

b)

2.48×10−72.48\times10^{-7}

c)

24.8×10−724.8\times10^{-7}

d)

.248×10−6.248\times10^{-6}

39.

The half-life of Uranium is 2.5 x 105 years. What is this in standard form?

a)

2500000

b)

250

c)

25000

d)

250000

40.

Write 4.83 x 10-6 in Standard Form.

a)

0.00048300

b)

0.00004830

c)

0.00000483

d)

0.00000438

41.

Convert 0.0000037 to Scientific Notation.

a)

.37 x 10-7

b)

3.7 x 10-6

c)

37 x 10-5

d)

370 x 10-4

42.

Mercury’s average distance from the sun is 57,190,000 km. What is the distance in scientific notation?

a)

5719 x 104

b)

571.9 x 105

c)

57.19 x 106

d)

5.719 x 107

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