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Final Exam Review: Topic 5

Total questions: 150

Worksheet time: 9hrs 51mins

Name
Class
Date
1.
a)
11√5
b)
11√10
c)
5√5
d)
12√10
2.
2√5 + 4√5 =
a)
6√10
b)
8√10
c)
8√5
d)
6√5
3.

6√3-3√27

a)

9√2

b)

12√3

c)

10√3

d)

-3√3

4.
Which expression with a fractional exponent best represents √7 ?
a)
7 ½
b)
7¼
c)
7
d)
27
5.

Simplify.

a)

13√3

b)

10√30

c)

13√6

d)

11√3

6.

Write the above expression in exponential form.

a)
b)
c)
d)
7.

Write the above expression in exponential form.

a)
b)
c)
d)
8.

Write the above expression in exponential form.

a)
b)
9.
Simplify:
a)
2√12
b)
4√12
c)
4√3
d)
16√3
10.

Rewrite x2/3 as a radical.

a)

√x3

b)

∛x2

c)

2x3

d)

3x2

11.

Simplify √8⋅√12.

a)

4√6

b)

2√12

c)

2√6

d)

12√2

12.
 Write in exponential form
 ∛x⁷
a)
x⁷∕ ³
b)
x3⁄7
c)
3x⁷
d)
7x³
13.
Write as a radical expression
y²⁄ ³
a)
2y³
b)
√y³
c)
∛y²
d)
3y²
14.
Simplify:
a)
2
b)
4
c)
16
d)
64
15.
√8 - 6√2
a)
-4√2
b)
2√2
c)
-6√6
d)
-6√10
16.
√18 + √2
a)
√20
b)
4√5
c)
4√2
d)
10√2
17.
√5 × √10
a)
50
b)
2√5
c)
5√2
d)
5√10
18.
2√3(√6 - √3)
a)
6√2 - 6
b)
3√2 + 3
c)
6 - √3
d)
√3 - √2
19.

Simplify the expression:

a)

5√2 / 10

b)

√2 / 2

c)

2√2

d)

5√50 / 10

20.
(7 − √2)(5 + √3)
a)
35 + 7√3 − 5√2 − √6
b)
29 + 7√3 − 5√2
c)
35 +√10 − √7 −√6
d)
√50
21.

Simplify the radical expression:
128a3b4\sqrt{128a^3b^4}  

a)

8ab22a8ab^2\sqrt{2a}  

b)

2a8ab22a\sqrt{8ab^2}  

c)

2ab64ab2ab\sqrt{64ab}  

d)

64ab22a64ab^2\sqrt{2a}  

22.
Simplify the expression:
a)
25x2y3
b)
-5xy2 ∛5x
c)
5ixy2 ∛5x
d)
-125x3y6 ∛5x
23.
Simplify the expression:
a)
2xy∜2y2
b)
No Real Roots
c)
4x2y3 ∜2
d)
8x4y4 ∜2y2
24.
Simplify the expression:
a)
6x2y2 ∛3
b)
6xy2 ∛6x2
c)
∛1296x5y6
d)
cannot combine; unlike radicand
25.
What is the conjugate of the expression:
a)
2 + 3√7
b)
2 - 3√7
c)
-√7
d)
√7
26.
What are the transformations of this functions compared to the parent function?
a)
Shifted down 2
b)
Shifted up 2
c)
Shifted left 2
d)
Shifted right 2
27.
Which of these equations shifts a radical equation left 3 times?
a)
y = √(x) + 3
b)
y = √(x) - 3
c)
y = √(x + 3)
d)
y = √(x - 3)
28.
Which of these equations shifts a radical equation right 5 times and down once?
a)
y = √(x - 5) - 1
b)
y = √(x + 5) - 1
c)
y = √(x - 5) + 1
d)
y = √(x + 5) + 1
29.
Describe the transformation.
a)
Left 1, Reflect over x-axis, up 2
b)
Left 1, Reflect over y-axis, down 2
c)
Right 1, Reflect over x-axis, up 2
d)
Right 1, Reflect over y-axis, uo 2
30.
What are the transformations of this functions compared to the parent function?
a)
Shifted down 2
b)
Shifted up 2
c)
Shifted left 2
d)
Shifted right 2
31.

Which function matches the graph?

a)

A

f(x) = ∛(x + 3) + 2

b)

B

f(x) = − ∛(x - 3) + 2

c)

C

f(x) = ∛(x - 3) + 2

d)

D

f(x) = ∛(x - 2) + 3

32.

How can rewrite the following radical function to identify its transformations from the parent graph of f(x)=xf\left(x\right)=\sqrt{x}  
g(x)=64x+3g\left(x\right)=\sqrt{64x}+3  

a)

g(x)=8x+3g\left(x\right)=8x+3  

b)

g(x)=8x+3g\left(x\right)=8\sqrt{x}+3  

c)

g(x)=x8+3g\left(x\right)=x\sqrt{8}+3  

d)

g(x)=8x+3g\left(x\right)=-8x+3  

33.

How can rewrite the following radical function to identify its transformations from the parent graph of f(x)=xf\left(x\right)=\sqrt{x}  
g(x)=25x757g\left(x\right)=\sqrt{25x-75}-7  

a)

g(x)=5x37g\left(x\right)=5\sqrt{x-3}-7  

b)

g(x)=5x+3+7g\left(x\right)=-5\sqrt{x+3}+7  

c)

g(x)=5x757g\left(x\right)=5x\sqrt{75}-7  

d)

g(x)=25x37g\left(x\right)=25x\sqrt{-3}-7  

34.
What type of function is shown?
a)
cube root
b)
square root
c)
logarithm
d)
exponential
35.

Identify the Range

a)

(- ∞, -2 ]

b)

[ -2, ∞ )

c)

(-∞, 0)

d)

[ 0, ∞)

36.
Find the domain and range of the function
Hint:  Use a scratch graph to help you visualize things. 
a)
Domain: (-∞, ∞)  Range: [-∞, 4]
b)
Domain: [1, ∞)  Range: (-∞, 4]
c)
Domain: [-1. ∞) Range: [4, ∞) 
d)
Domain: [4, ∞) Range: [-1,∞) 
37.
a)
y = 2 √(x) - 4
b)
y = - √(x - 4)
c)
y = 2 √(x)
d)
y = 2 √(x) + 4
38.
Identify the Range
a)
(- ∞, -2 ]
b)
[ -2, ∞ )
c)
All Real Numbers
d)
[ 0, ∞)
39.

Which function matches the graph?

a)

A

f(x) = ∛(x + 3) + 2

b)

B

f(x) = − ∛(x - 3) + 2

c)

C

f(x) = ∛(x - 3) + 2

d)

D

f(x) = ∛(x - 2) + 3

40.

What is the Range for the graph?

a)

A

2 ≤ y < ∞

b)

B

− ∞ < y ≤ 3

c)

C

3 ≤ y < ∞

d)

D

− ∞ < y < ∞

41.

Which function matches the graph?

a)

A

f(x) = − ∛(x + 3) − 1

b)

B

f(x) = − ∛(x - 3) − 1

c)

C

f(x) = ∛(x + 3) − 1

d)

D

f(x) = ∛(x - 1) + 3

42.

Simplify the radical:

48\sqrt{48}  

a)

424\sqrt{2}  

b)

636\sqrt{3}  

c)

434\sqrt{3}  

d)

424\sqrt{2}  

43.

Simplify the radical:

2√24

a)

4√6

b)

2√6

c)

24√2

d)

4√4

44.

Simplify:

a)

7√3

b)

Can't Simplify

c)

6√15

d)

6√3

45.

Simplify :

a)

8√6

b)

8√12

c)

12√6

d)

12√12

46.
Simplify:
√6 ⋅√6
a)
√36
b)
2√3
c)
12
d)
6
47.

Simplify the following radical:

√150

a)

5√15

b)

5√2

c)

5√6

d)

15√5

48.

Simplify:

4√75

a)

4√5

b)

12√5

c)

20√3

d)

7√3

49.
Simplify:
6√2 ⋅5√14
a)
32√7
b)
60√7
c)
2√7
d)
30√7
50.

Simplify:

a)

11√5

b)

11√10

c)

5√5

d)

12√10

51.
a)
13√3
b)
10√30
c)
13√6
d)
11√3
52.

3a2×15a2\sqrt{3a^2}\times\sqrt{15a^2}  

a)

3a253a^2\sqrt{5}  

b)

5a235a^2\sqrt{3}  

c)

3a5a3a\sqrt{5a}  

d)

18a4\sqrt{18a^4}  

53.
Simplify:
a)
4√30
b)
√4√30
c)
√2√30
d)
2√30
54.
√18 + √2
a)
√20
b)
4√5
c)
4√2
d)
10√2
55.
√5 × √10
a)
50
b)
2√5
c)
5√2
d)
5√10
56.
2√3(√6 - √3)
a)
6√2 - 6
b)
3√2 + 3
c)
6 - √3
d)
√3 - √2
57.
√98 + 5√2
a)
8√3
b)
12√2
c)
7√2
d)
7√3
58.
√300 + √75
a)
15√3
b)
√375
c)
20√5
d)
16√5
59.
Simplify:
a)
√4√12
b)
4√12
c)
4√3
d)
2√3
60.
Simplify the expression:
a)
-15 + 8√9
b)
9
c)
2 + 8√3 + 6√6
d)
9 + 14√3
61.
(7 − √2)(5 + √3)
a)
35 + 7√3 − 5√2 − √6
b)
29 + 7√3 − 5√2
c)
35 +√10 − √7 −√6
d)
√50
62.

Simplify the radical: 3√27

a)

9

b)

9√3

c)

3√9

d)

3

63.

Simplify the radical: 10√20

a)

5√20

b)

20√5

c)

4√5

d)

40√5

64.

Simplify the radical: 6√90

a)

10√8

b)

10√18

c)

18√10

d)

18√9

65.

Simplify

4√75

a)

4√5

b)

12√5

c)

20√3

d)

7√3

66.
What is the simplified form of √140
a)
4√35
b)
10√14
c)
2√70
d)
2√35
67.
Simplify the following radical: √300
a)
3√10
b)
2√150
c)
100√3
d)
10√3
68.
Simplify the following radical: √275
a)
5√5
b)
5√11
c)
11√5
d)
5√55
69.
Simplify the following radical: 2√24
a)
4√6
b)
2√6
c)
24√2
d)
4√4
70.
Simplify the following radical: √24
a)
2√6
b)
4√6
c)
2√12
d)
3√8
71.
True or False: The following list contains only perfect squares.
1, 4, 9, 27, 81, 100
a)
True
b)
False
72.

What is another name for the square root symbol?

a)

Radicand

b)

Radical

c)

The house

d)

It doesn't have a name

73.
√300 + √75
a)
15√3
b)
√375
c)
20√5
d)
16√5
74.
Simplify:
√10 ⋅ √45
a)
3√50
b)
8√2
c)
√450
d)
15√2
75.
Simplify:
√6 ⋅√6
a)
√36
b)
2√3
c)
12
d)
6
76.
√3 × √15 =
a)
3√5
b)
5√3
c)
2√7
d)
√17
77.
√5 × √10
a)
50
b)
2√5
c)
5√2
d)
5√10
78.
Which of the following is NOT a perfect square?
a)
1
b)
4
c)
100
d)
8
79.



a)
b)
c)
d)
80.

Simplify

a)
b)
c)
d)
81.

Simplify:

a)

1/5

b)

20/100

c)

2/10

d)

1/√25

82.

Solve the equation and check for extraneous solutions.
3x+10=x+4\sqrt{3x+10}=x+4  

a)

x = -2

b)

x = -2, 3

c)

x = -2, -3

d)

x = -3

83.

Solve the equation and check for extraneous solutions.
2xx=32\sqrt{x}-x=-3  

a)

x = 1

b)

x = 9

c)

x = all real solutions

d)

x = 9, 1

84.

Solve the equation and check for extraneous solutions.
1013x=x4\sqrt{10-13x}=x-4  

a)

x = 2, 3

b)

x = -2, -3

c)

x = -1, -6

d)

No solution

85.

Solve the equation and check for extraneous solutions.
m5=5\sqrt{\frac{m}{5}}=5  

a)

25

b)

50

c)

125

d)

5

86.


Solve the equation and check for extraneous solutions.
6+k6=3-6+\sqrt{\frac{k}{6}}=-3  

a)

9

b)

18

c)

486

d)

54

87.


Solve the equation and check for extraneous solutions.
11=2+90v11=2+\sqrt{90-v}

a)

9

b)

82

c)

-9

d)

-82

88.


Solve the equation and check for extraneous solutions.
v5=23v\sqrt{v-5}=\sqrt{23-v}  

a)

-14

b)

14

c)

no solution

d)

28

89.

Solve the equation and check for extraneous solutions. 10=14r+210=\sqrt{14r+2}  

a)

102

b)

12

c)

98

d)

7

90.

Solve the equation and check for extraneous solutions. 4=20x4=\sqrt{20-x}  

a)

20

b)

-4

c)

4

d)

-10

91.

Solve the equation and check for extraneous solutions. 6+615x=156+\sqrt{6-15x}=15  

a)

-5

b)

5

c)

10

d)

25

92.

Solve the equation and check for extraneous solutions. x=4xx=\sqrt{4x}  

a)

-4

b)

0, -4

c)

4

d)

0, 4

93.

Solve the equation and check for extraneous solutions. x=4\sqrt{x}=4

a)

16

b)

-16

c)

8

d)

4

94.

Solve the equation and check for extraneous solutions. x=6\sqrt{x}=6  

a)

36

b)

12

c)

6

d)

-36

95.

Solve the equation and check for extraneous solutions. q+2=8\sqrt{q+2}=8  

a)

100

b)

66

c)

64

d)

62

96.

Solve the equation and check for extraneous solutions. 2k+1=19\sqrt{2k+1}=19  

a)

180

b)

90

c)

360

d)

-180

97.

Solve the equation and check for extraneous solutions. q+1=2\sqrt{q+1}=2  

a)

9

b)

4

c)

3

d)

5

98.

Solve the equation and check for extraneous solutions. p23p+36=p+3\sqrt{p^2-3p+36}=p+3  

a)

6

b)

3

c)

32-\frac{3}{2}

d)

-3

99.

Solve the equation and check for extraneous solutions. 123x=x3\sqrt{12-3x}=\sqrt{x-3}  

a)

No solution

b)

154\frac{15}{4}  

c)

5

d)

15

100.

Solve the equation and check for extraneous solutions. 112x=x1\sqrt{11-2x}=\sqrt{x-1}  

a)

12

b)

6

c)

4

d)

no solution

101.

Solve the equation and check for extraneous solutions. x2+1=x7\sqrt{x^2+1}=x-7  

a)

no solution

b)

257-\frac{25}{7}  

c)

0

d)

247\frac{24}{7}  

102.

Find (f - g)(x)

a)

5x2 + 3x

b)

-3x2 - 13x

c)

3x2 + 3x

d)

-3x2 + 3x

103.

Find (f + g) (x)

a)

5x2 + 3x

b)

4x2 + 3x

c)

5x2 - 3x

d)

4x2 - 40x

104.

Find f(2).

a)

-2

b)

-18

c)

24

d)

6

105.

If f(x)=3x2+4f(x)=3x^2+4   and g(x)=2x+2g(x)=-2x+2  ,

find (g+f)(3)(g+f)(-3) .

a)
39
b)
-27
c)
-23
d)
-19
106.

If f(x)=x+1f\left(x\right)=x+1  and g(x)=x21g\left(x\right)=x^2-1  ,

find the domain restriction on (fg)(x)\left(\frac{f}{g}\right)\left(x\right)  .

a)

x1x\ne-1  

b)

x0x\ne0  

c)

x1x\ne1   

d)

  x±1x\ne\pm1  

107.

If f(x)=x225f(x)=x^2-25 and g(x)=x5g(x)=x-5 ,

find the quotient (fg)(0)\left(\frac{f}{g}\right)(0) , if it exists.

a)
(f/g)(0) does not exist
b)
10
c)
5
d)
0
108.

Find g(5)

a)

3375

b)

375

c)

25

d)

45

109.

If f(n)=x2+1f(n)=x^2+1  and g(n)=2x5g(n)=2x-5   Find f(n)g(n)f(n)-g(n)  

a)

x22x+6x^2-2x+6  

b)

x2+2x+4-x^2+2x+4  

c)

x22x6-x^2-2x-6  

d)

x22x4x^2-2x-4  

110.

(f + g) (x)

a)

5x2 + 3x

b)

4x2 + 3x

c)

5x2 - 3x

d)

4x2 - 40x

111.

If f(x)=x2+9f(x)=x^2+9  and g(x)=x9g(x)=x-9 ,

Find f(x)g(x)f(x)-g(x)

a)

x2+x+9x^2+x+9  

b)

x2x+9x^2-x+9  

c)

x2xx^2-x  

d)

x2x+18x^2-x+18  

112.

If f(x)=x2+5f(x)=x^2+5  and g(x)=2x31g(x)=2x^3-1  ,

find (fg)(3)\left(\frac{f}{g}\right)\left(-3\right) .

a)
-14/55
b)
14/55
c)
2
d)
-2
113.

If f(x)=3x2+7xf(x)=3x^2+7x  and g(x)=2x2x1g(x)=2x^2-x-1 ,

find (f+g)(x)(f+g)(x) .

a)

11x2111x^2-1  

b)

5x4+6x215x^4+6x^2-1  

c)

5x2+6x15x^2+6x-1  

d)

5x2+8x15x^2+8x-1  

114.

Given f(x)=3x+4f\left(x\right)=3x+4 and g(x)=2x+1g\left(x\right)=2x+1 , match the correct rule to its new function.

a)

6x2+11x+46x^2+11x+4

1.

(f+g)(x)\left(f+g\right)\left(x\right)

b)

x+3x+3

2.

(fg)(x)\left(f-g\right)\left(x\right)

c)

5x+55x+5

3.

(fg)(x)\left(f\cdot g\right)\left(x\right)

d)

D: x12D:\ x\ne-\frac{1}{2}

4.

(fg)(x)\left(\frac{f}{g}\right)\left(x\right)

e)

6x+76x+7

5.

(fg)(x)\left(f\circ g\right)\left(x\right)

115.

Given f(x)=2x29x+2f\left(x\right)=2x^2-9x+2 and g(x)=16xg\left(x\right)=1-6x , what is (fg)(x)\left(f-g\right)\left(x\right) ?

116.

Given g(x)=16xg\left(x\right)=1-6x and h(x)=x24h\left(x\right)=x^2-4 , what is (gh)(x)\left(g\cdot h\right)\left(x\right) ?

117.

When f(x) = 9 - 3x and g(x) = 5x - 7

find f(x) + g(x).

a)

14x - 10

b)

-8x + 2

c)

2x + 2

d)

2x - 2

118.

When f(x) = x2 + 9 and g(x) = x - 9,

find f(x) - g(x).

a)

x2 + x + 9

b)

x2 - x + 9

c)

x2 - x

d)

x2 - x + 18

119.

When f(x) = x2 - 9

and g(x) = x + 3 ,

find f(x) / g(x).

a)

x3x\ne-3

b)

x3x\ne3

c)

x12x\ne12

d)

x6x\ne-6

120.

f(x) = 4x + 8

g(x) = x + 3,

Find f(x) ⋅ g(x)

a)

4x2 + 24

b)

4x2 + 20x + 24

c)

4x2 + 12x + 24

d)

4x2 + 4x + 24

121.

Given f(x) = -x + 4 and g(x) = 6x + 3, find (f(x) - g(x))

a)

-7x + 1

b)

5x -1

c)

-5x -1

d)

5x + 1

122.

f(n)= n2 + 4n

g(n)= - n - 5

Find f(n) + g(n)

a)

n2 + 3n - 5

b)

-n3 + 2n - 7

c)

n3 + 3n - 3n

d)

n2 - 3n - 5

123.
f(x)= 2x+6
g(x)= -3x+2
Find f(x)-g(x)
a)
5x+8
b)
-x+8
c)
x+4
d)
5x+4
124.
f(x) = x2+9
g(x) = x-9
Find f(x)-g(x). 
a)
x2+x+9
b)
x2-x+9
c)
x2-x
d)
x2-x+18
125.
Given
f(x) = 3x2 + 7x and g(x) = 2x2 - x - 1, find (f + g)(x).
a)
11x2 - 1
b)
5x4 + 6x2 - 1
c)
5x2 + 6x - 1
d)
5x2 + 8x - 1
126.

Perform the indicated operation.

a)
b)
c)
d)
127.

Complete the operation and evaluate.

a)
b)
c)
d)
128.

Evaluate f(2):


f(x)=3x+1

a)

7

b)

9

c)

11

d)

13

129.
g(x)=3x+4
h(x)=3x-1
Find g(h(x))
a)
-9x+11
b)
4x2+4x
c)
9x+1
d)
9x+11
130.

If f(x)=2xf\left(x\right)=2x   and  g(x)=2x21g\left(x\right)=2x^2-1   find g(f(x))g\left(f\left(x\right)\right)  

a)

4x214x^2-1  

b)

4x224x^2-2  

c)

8x218x^2-1  

d)

16x2116x^2-1  

131.

If f(x)=x2f\left(x\right)=x^2   and  g(x)=1x2g\left(x\right)=\frac{1}{x^2}   find (fg)(1)\left(f\circ g\right)\left(-1\right)  

a)

14\frac{1}{4}  

b)

11

c)

1-1  

d)

14-\frac{1}{4}  

132.

Find the inverse: f(x) = 3x + 2

a)

f-1(x) = 2x + 3

b)

f-1(x) = -3x + 2

c)

f-1(x) = (x-2)/3

d)

f-1(x) = (x-3)/2

133.

Find the inverse

a)

f-1(x) = 2x+16

b)

f-1(x) = 2x-16

c)

f-1(x) = 2x - 8

d)

f-1(x) = x + 16

134.
a)
A.
b)
B.
c)
C.
d)
D.
135.
When finding the inverse of a relation, 
1st you replace f(x) with y
2nd switch the x's and y's
What do you do next?
a)
solve for y
b)
replace y with f-1(x)
c)
solve for x
d)
find the greatest common factor
136.
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
137.

Find the inverse function

a)
b)
c)
d)
138.

Find the inverse function

a)
b)
c)
d)
139.

Find the inverse of f(x)=3x+2f\left(x\right)=3x+2  

a)

f1(x)=x23f^{-1}\left(x\right)=\frac{x-2}{3}  

b)

f1(x)=x32f^{-1}\left(x\right)=\frac{x-3}{2}  

c)

f1(x)=3x2f^{-1}\left(x\right)=\frac{3x}{2}  

d)

f1(x)=2+x3f^{-1}\left(x\right)=\frac{2+x}{3}  

140.

Find the inverse of f(x)=5x7f\left(x\right)=-5x-7  

a)

f1(x)=5x+77f^{-1}\left(x\right)=\frac{5x+7}{-7}  

b)

f1(x)=x+57f^{-1}\left(x\right)=\frac{x+5}{7}  

c)

f1(x)=x+75f^{-1}\left(x\right)=\frac{x+7}{-5}  

d)

f1(x)=75+xf^{-1}\left(x\right)=\frac{7}{-5+x}  

141.

Find the inverse of f(x)=3x+2f\left(x\right)=3x+2  

a)

f1(x)=x23f^{-1}\left(x\right)=\frac{x-2}{3}  

b)

f1(x)=x32f^{-1}\left(x\right)=\frac{x-3}{2}  

c)

f1(x)=3x2f^{-1}\left(x\right)=\frac{3x}{2}  

d)

f1(x)=2+x3f^{-1}\left(x\right)=\frac{2+x}{3}  

142.

Find the inverse of f(x)=12x3f\left(x\right)=12x-3  

a)

f1(x)=x+312f^{-1}\left(x\right)=\frac{x+3}{12}  

b)

f1(x)=x312f^{-1}\left(x\right)=\frac{x-3}{12}  

c)

f1(x)=x+123f^{-1}\left(x\right)=\frac{x+12}{3}  

d)

f1(x)=x123f^{-1}\left(x\right)=\frac{x-12}{3}  

143.

Find the inverse of f(x)=x2+5f\left(x\right)=x^2+5  

a)

f1(x)=x25f^{-1}\left(x\right)=x-25  

b)

f1(x)=5+xf^{-1}\left(x\right)=\sqrt{5+x}  

c)

f1(x)=x5f^{-1}\left(x\right)=\sqrt{x-5}  

d)

f1(x)=x5f^{-1}\left(x\right)=\sqrt{x}-5  

144.

Find the inverse of f(x)=x24f\left(x\right)=x^2-4  

a)

f1(x)=x+16f^{-1}\left(x\right)=\sqrt{x+16}  

b)

f1(x)=x4f^{-1}\left(x\right)=\sqrt{x-4}  

c)

f1(x)=x+4f^{-1}\left(x\right)=\sqrt{x}+4  

d)

f1(x)=x+4f^{-1}\left(x\right)=\sqrt{x+4}  

145.

Find the inverse of f(x)=x2f\left(x\right)=\sqrt{x-2}  

a)

f1(x)=x22f^{-1}\left(x\right)=x^2-2  

b)

f1(x)=x2+2f^{-1}\left(x\right)=x^2+2  

c)

f1(x)=(x+2)2f^{-1}\left(x\right)=\left(x+2\right)^2  

d)

f1(x)=(x2)2f^{-1}\left(x\right)=\left(x-2\right)^2  

146.
Find the inverse of f(x) = 3x +8
a)
f-1(x) = 3(x-8)
b)
f-1(x) = (8x-1)/3
c)
f-1(x) = (x-8)/3
d)
f-1(x) = (x+8)/3
147.

FInd the inverse of the function.
f(x)=3x152f\left(x\right)=\frac{3x-15}{2}  

a)

f1(x)=x5f^{-1}\left(x\right)=-x-5  

b)

f1(x)=3x+5f^{-1}\left(x\right)=3x+5  

c)

f1(x)=15+2x3f^{-1}\left(x\right)=\frac{15+2x}{3}  

d)

f1(x)=23x193f^{-1}\left(x\right)=\frac{2}{3}x-\frac{19}{3}  

148.
What is the inverse of the function
f(x) = 2x + 4   ?
a)
f-1(x) = 4(x -2)
b)
f-1(x) = (x-4)/2
c)
f-1(x) = x/2 - 4
d)
f-1(x) = x/4 + 2
149.
What's the name of the inverse of g(x)?
a)
f(x)
b)
f-1(x)
c)
y
d)
g-1(x)
150.
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