(aqt73) to Section 7.1 isaacson (55826)
This print-out should have 5 questions.
Multiple-choice questions may continue on
the next column or page nd all choices
before answering.
001
10.0 points
Five functions are dened by the table
x
1
2
3
4
5
6
f ( x)
3
8
4
9
6
2
g ( x)
3
2
8
6
3
1
h(x)
5
6
7
6
3
9
F ( x)
6
5
6
4
2
7
G(x)
8
9
7
1
3
7
Which of these functions is one-to-one?
1. G(x)
3. h(x)
4. f (x)
5. F (x)
002
10.0 points
If the graph of f is
10
9
8
7
6
5
4
3
2
1
0
-1
-2
-3
-4
-5
-6
-7
-8
-9
-10
8
4
8
4
4
4
8
which of the following is the graph of f 1(x)?
9
8
7
1. 6
5
4
3
2
1
0
-1
-2
-3
-4
-5
-6
-7
-8
-9
-10
10
9
8
7
2. 6
5
4
3
2
1
0
-1
-2
-3
-4
-5
-6
-7
-8
-9
-10
9
8
7
3. 6
5
4
3
2
1
0
-1
-2
-3
-4
-5
-6
-7
-8
-9
-10
2. g (x)
8
1
10
9
8
7
4. 6
5
4
3
2
1
0
-1
-2
-3
-4
-5
-6
-7
-8
-9
-10
8
4
8
4
4
8
4
8
4
8
4
8
4
8
8
4
8
4
4
8
8
4
8
4
4
8
8
4
8
4
4
8
to Section (aqt73) 7.1 isaacson (55826)
10
9
8
7
5. 6
5
4
3
2
1
0
-1
-2
-3
-4
-5
-6
-7
-8
-9
-10
10
9
8
7
6. 6
5
4
3
2
1
0
-1
-2
-3
-4
-5
-6
-7
-8
-9
-10
8
2. f
1
( x) =
4
8
4
4
8
4
3. f 1(x) =
4. f 1(x) =
8
5. f
1
6. f
1
( x) =
8
4
8
4
4
8
4
005
1 + 2 x2
3x
2
1 9 x2
3x
1 2 x2
1 9 x2
2
1 2 x2
2x
10.0 points
Determine the inverse, f 1 , of f when
8
003
( x) =
2
f ( x) = 3 + 4 x3 .
10.0 points
1. f 1(x) =
4+x
3
1/3
2. f 1(x) =
4x
3
1/3
x3
4
1/3
91
x
22
3. f 1(x) =
x4
3
1/3
1
9
x
2
2
4. f 1(x) =
5. f 1(x) =
3x
4
1/3
91
3. f 1 (x) = + x
22
6. f 1(x) =
3+x
4
1/3
Determine if
f ( x) = 9 2 x
has an inverse, and nd this inverse if it does.
1. f 1 (x) =
2. f 1 (x) =
4. f
1
1
( x) =
9 2x
5. f 1 (x) does not exist
004
10.0 points
Find the inverse function, f 1 , of
f ( x) =
1. f 1 (x) =
x
.
2 x2 + 9
3x
1 + 2 x2