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WorksheetsLesson 19 Review
Total questions: 20
Worksheet time: 1hrs 25mins
Name
Class
Date
1.
What is the domain of the graph?
a)
[-7, 5)
b)
[-3. 1)
c)
(-3, 1)
d)
(-7 , 5)
2.
What is the range of the graph?
a)
[-7 , 5)
b)
[-3 , 1]
c)
[-3 , 1)
d)
[-7 , 5]
3.
What is the range of the function?
a)
(- ∞ , 2.5]
b)
[ 2.5, ∞ )
c)
(- ∞, ∞ )
4.
What is the domain of the function graphed on the grid?
a)
-4 ≤ x < 5
b)
-4 ≤ x ≤ 5
c)
-3 ≤ x < 3
d)
-3 < x ≤ 3
5.
What is the domain of the function graphed on the grid?
a)
(-4 , 5)
b)
[-4 , 5]
c)
(-3 , 3)
d)
(-3 , 3]
6.
If f(x) and g(x) are inverse functions, then f(g(x))=
a)
x
b)
0
c)
f-1(x)
d)
g-1(x)
7.
If f(x) and g(x) are inverse functions, then f-1(x)=
a)
x
b)
f(x)
c)
g(x)
d)
g-1(x)
8.
Are these functions inverses?
a)
Yes
b)
No
9.
What is the inverse of the points
(1,3)(2,4)(6,8)
(1,3)(2,4)(6,8)
a)
(3,1)(4,2)(8,6)
b)
(-3,-1)(-4,-2)(-8,-6)
c)
(1,3)(2,4)(6,8)
d)
(-1,-3)(-2,-4)(-6,-8)
10.
Find the inverse of f(x) = -4x - 12
a)
f-1(x) = 4x - 3
b)
f-1(x) = -1/4x - 3
c)
f-1(x) = 1/4x + 3
d)
f-1(x) = -4x - 3
11.
Find the inverse of f(x) = x2 - 5
a)
f-1(x) = √(x) + 5
b)
f-1(x) = ∛(x-5)
c)
f-1(x) =√(x+5)
d)
f-1(x) = x2 - 5
12.
Find g(f(x))
a)
2x + 5
b)
2x + 10
c)
x - 5
d)
x + 5
13.
Find g[h(3)]
a)
-71
b)
-69
c)
69
d)
71
14.
f(x) = 3x + 10
g(x) = x - 2
Find g(f(-10))
a)
-42
b)
-26
c)
-18
d)
-22
15.
An inverse relation reflects across the
a)
Does not reflect
b)
y-axis
c)
x-axis
d)
y=x line.
16.
Which of the following numbers is irrational?
a)
√8
b)
¾
c)
2
d)
-1.325
17.
Which of the following numbers is rational?
a)
√8
b)
√16
c)
√50
d)
√75
18.
Which of the following is rational?
a)
.211232112421125. . . .
b)
π
c)
√25
d)
√12
19.
A repeating decimal is what type of number?
a)
Rational
b)
Irrational
20.
a)
9
b)
3
c)
5
d)
√15
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