WorksheetsFunctions - 9THA
Total questions: 21
Worksheet time: 1hrs 3mins
Name
Class
Date
1.
Given g(x) = 4x - 7, find g(-9).
a)
g(-9) = 29
b)
g(-9) = -43
c)
g(-9) = 43
d)
g(-9) = -29
2.
Evaluate f(-2) if f(x) = x2+ 3
a)
-1
b)
1
c)
7
d)
-7
3.
If h(a) = 3 - 2x2, find h(-3).
a)
33
b)
21
c)
39
d)
-15
4.
a)
A
b)
B
c)
C
d)
D
5.
a)
A
b)
B
c)
C
d)
D
6.
If f(x) = -4x - 5 and
g(x) = 3 - x,
what is g(-4) + f(1)?
g(x) = 3 - x,
what is g(-4) + f(1)?
a)
7
b)
-2
c)
-9
d)
-10
7.
What is f(g(3))?
a)
1/8
b)
8
c)
1/4
d)
1/2
8.
Given that f(x) = x2 + x and g(x) = 3x + 1, find the value of g(f(-2)).
a)
-14
b)
20
c)
6
d)
7
9.
a)
36
b)
72
c)
27
d)
54
10.
a)
-1
b)
1
c)
7
d)
-7
11.
a)
A
b)
B
c)
C
d)
D
12.
If f(x) = x2 and g(x) = 3x - 1, find f(g(x))
a)
9x2 - 6x + 1
b)
3x - 1
c)
3x2 - 1
d)
9x2 - 1
13.
Given f(x) = 2x and g(x) = x2+3 , find f(g(x)).
a)
x2+2x+3
b)
4x2+3
c)
2x2+3
d)
2x2+6
14.
If f(x)=x+5, what is f-1(x)?
a)
(x + 5)2
b)
x - 5
c)
(x + 5)-1
d)
undefined
15.
If f(x)=3x, what is f-1(x)?
a)
x/3
b)
3x2
c)
3x + 3x
d)
3x-1
16.
a)
A
b)
B
c)
C
d)
D
17.
Find the inverse of f(x)=3x−5
a)
f−1(x)=53+x
b)
f−1(x)=3x+5
c)
f−1(x)=5x+3
18.
Find the inverse of f(x)=10+7x
a)
f−1(x)=10x−7
b)
f−1(x)=7x−10
c)
f−1(x)=10+7x1
19.
a)
A
b)
B
c)
C
d)
D
20.
a)
A
b)
B
c)
C
d)
D
21.
Given:
f(x) = -3x + 7
g(x) = 2x2 - 8
Find f(g(x))
a)
18x2 - 84x + 6
b)
6x2 + 24
c)
-6x3 + 14x2 - 24x - 56
d)
-6x2 + 31
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