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WorksheetsRelations and functions quiz
Total questions: 20
Worksheet time: 42mins
Name
Class
Date
1.
Is the relation a function?
{(4,5), (4,-7), (4,2), (4,0), (4,9)}
{(4,5), (4,-7), (4,2), (4,0), (4,9)}
a)
Yes
b)
No
2.
Give the domain and range of the relation.
{(-2,-1), (-1,0), (0,-1), (1,0), (2,-1)}
{(-2,-1), (-1,0), (0,-1), (1,0), (2,-1)}
a)
D: {-2, -1, 0, 1, 2}
R: {-1, 0}
R: {-1, 0}
b)
D: {-1, 0}
R: {-2, -1, 0, 1, 2}
R: {-2, -1, 0, 1, 2}
c)
D: {-2, -1, 0, 1, 2}
R: {-1, -1, -1, 0, 0}
R: {-1, -1, -1, 0, 0}
d)
D: {-2 < x < 2}
R: {-1 < y < 0}
R: {-1 < y < 0}
3.
a)
Function
b)
Not a Function
4.
For the function f(x) = -3x + 3 find f(0).
a)
0
b)
-3
c)
3
d)
-1
5.
Is this mapping a function or not a function?
a)
Function
b)
Not a Function
6.
If h(a) = 3 - 2a
Find h(-3).
Find h(-3).
a)
12
b)
-2
c)
-3
d)
9
7.
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:{-4, 0, 1, 2}
R:{-4, -3, 1}
c)
D:{0, 1, 2, 3, 4}
R:{1, -3, -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.
a)
Function
b)
Not a Function
10.
Find the value of f(2) if f(x)=2x-5
a)
-1
b)
17
c)
1
d)
-17
11.
All of the y values or outputs are called what?
a)
Domain
b)
Range
c)
Relation
d)
Function
12.
All of the x values or inputs are called what?
a)
Domain
b)
Range
c)
Relation
d)
Function
13.
What is the definition of function?
a)
Has inputs and outputs
b)
Every input has only ONE output
c)
Inputs have different outputs every time
d)
x-values and y-values
14.
Which graph does NOT pass the vertical line test?
a)
Graph 1
b)
Graph 2
c)
Graph 3
d)
Graph 4
15.
In a function how many different outputs can a single input have?
a)
Infinite
b)
Zero
c)
One
d)
Two
16.
What is the range of the given relation?
a)
{1, 4, 5, 8}
b)
{-9, -5, 1, 7}
c)
{-9, -5, 1, 7, 4, 5, 8}
d)
{4, 5, 8}
17.
Is this mapping a function or not a function?
a)
Function
b)
Not a Function
18.
Is the graph pictured a function?
a)
Yes
b)
No
19.
Given f(x) = 2x and
g(x) = x2+3 , find f(g(x)).
g(x) = x2+3 , find f(g(x)).
a)
x2+2x+3
b)
4x2+3
c)
2x2+3
d)
2x2+6
20.
a)
36
b)
72
c)
27
d)
54
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