WorksheetsEvaluating Functions
Total questions: 15
Worksheet time: 23mins
Name
Class
Date
1.
f(x) = 3x - 4, Evaluate f(3)
a)
5
b)
13
c)
2
2.
f(x) = -3x + 4, evaluate f(-2)
a)
-2
b)
2
c)
10
3.
f(x) = 6x - 18, evaluate f(-3)
a)
0
b)
36
c)
-36
4.
f(x) = -5x + 8, evaluate f(3)
a)
-7
b)
7
c)
0
5.
f(x) = -6x +8x, evaluate f(3)
a)
10
b)
6
c)
-6
6.
f(x) = 7x -12, evaluate f(-2)
a)
2
b)
-20
c)
-26
7.
f(x) = 3x - 9, evaluate f(5)
a)
f(5) = 6
b)
f(5) = 16
c)
f(5) = -4
d)
f(5) = 24
8.
f(x) = 2x + 25, evaluate f(5)
a)
f(5) = 60
b)
f(5) = 40
c)
f(5) = -15
d)
f(5) = 35
9.
If (y=2x+6) is a function. What is the output value when the input value is 2.
a)
12
b)
-2
c)
10
d)
21
10.
ƒ(x) = x² − 4x − 3 , evaluate f(4)
a)
10
b)
7
c)
-3
d)
0
e)
-5
11.
The x values represent the...
a)
Output
b)
Input
c)
Ordered Pair
d)
Point
12.
f(x) = 4x + 5, evaluate f(4)
a)
21
b)
-11
c)
-31
d)
25
13.
f(x) = -2x + 13 , evaluate f(10)
a)
-7
b)
1
c)
-8
d)
7
14.
g(x) = 11 - x, evaluate g(-7)
a)
4
b)
17
c)
18
d)
-77
15.
f(x) = -2x - 12, evaluate f(-5)
a)
-22
b)
-2
c)
-19
d)
-5
100 %
