WorksheetsOperations on Functions (+,-,x)
Total questions: 15
Worksheet time: 15mins
Name
Class
Date
1.
Given the functions, find (f+g)(x).
a)
2x
b)
2x-18
c)
2x+18
d)
18
2.
Given the functions, find (f-g)(x).
a)
2x
b)
-18
c)
2x+18
d)
18
3.
Given the functions, find (f·g)(x).
a)
x2-18
b)
x2+18
c)
x2-81
d)
x2+81
4.
Given the functions, find (f+g)(x).
a)
x2+x-1
b)
x2-x+7
c)
x3-4x2+3x-12
5.
Given the functions, find (f-g)(x).
a)
x2+x-1
b)
x2-x+7
c)
x3-4x2+3x-12
6.
Given the functions, find (f·g)(x).
a)
x2+x-1
b)
x2-x+7
c)
x3-4x2+3x-12
7.
Given the functions, find 3f(x).
a)
12
b)
-6
c)
3x+27
d)
3x-27
8.
Given the functions, find 4g(x).
a)
13
b)
-5
c)
4x-36
d)
4x+36
9.
Given the functions, evaluate (g+f)(2).
a)
5
b)
2x2+2x-2
c)
3
d)
2x2+8x-8
10.
Given the functions, find (f+g)(x).
a)
-2x+16
b)
6x+16
c)
2x+6
d)
6x+6
11.
Given the functions, find (f-g)(x).
a)
-2x+16
b)
-6x+6
c)
2x+6
d)
6x-6
12.
Given the functions, find (g-f)(x).
a)
-2x+16
b)
-6x+6
c)
2x+6
d)
6x-6
13.
Given the functions, find (g·f)(x).
a)
-8x2 + 2x + 55
b)
-8x2 - 2x + 55
c)
-8x2 + 2x - 55
d)
8x2 + 2x + 55
14.
Given the functions, evaluate (g+f)(2).
a)
12
b)
-12
c)
-2x+16
d)
-4x+32
15.
Given the functions, evaluate (g-f)(3).
a)
10
b)
-12
c)
6-6x
d)
18-18x
100 %
