AnswersOC27 MATH COLL ALGEBRA-1200710-S1-Degele-VOL7006PGraphing Rational Functions

Graphing Rational Functions Answers

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1
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The expression is equal to zero when x = .

Question illustration
A
0
B
4
C
–4
2
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Use the critical points to determine the test regions. What are possible test points?

A
–6
B
–5
C
–3
D
–2
E
0
3

The solution is:

A
or
Option A
B
or
Option B
C
or
Option C
D
or
Option D
4

For test point x = 2, the inequality is .

A
True
B
False
5

The expression is undefined when x =

Question illustration
A
0
B
4
C
–4
6

Rewrite the inequality with zero on one side and one rational expression on the other. What is the first step?

Question illustration
A
Add –3 to both sides.
B
Add –4 to both sides.
C
Multiply both sides by (x + 2).
D
Multiply both sides by.
Option D
7

The inequality simplifies toWhich inequality is equivalent?

Question illustration
A
Option
Option A
B
Option
Option B
C
Option
Option C
D
Option
Option D
8

Consider the inequality from the previous slide: Identify the critical point(s).

Question illustration
A
x = 2 and x = 5
B
x = –2
C
x = –5
D
x = –2 and x = –5
9

1 3 + 1 6 1 x

A
>
B
<
C
>=
D
<=
10

Question text not available

A
6
B
x
C
6x
11

Question text not available

A
Option
Option A
B
Option
Option B
C
Option
Option C
12

0 x 2

A
>
B
<
C
<=
D
>=
13

What is the simplified form of the inequality?

Question illustration
A
Option
Option A
B
Option
Option B
C
Option
Option C
D
Option
Option D
14

Type in true or false for each statement.For test point x = –2, the inequality is .

Question illustration
A
True
B
False
15

Identify the graph of the solution set.

A
Option
Option A
B
Option
Option B
C
Option
Option C
D
Option
Option D
16

Suppose you ride your bike uphill to work at a speed of at least x mph. Going downhill on the way home, your speed is 5 mph faster. Your average speed to and from work is at least 12 mph. Which is the correct inequality to model the situation?

A
Option
Option A
B
Option
Option B
C
Option
Option C
D
Option
Option D
17

0 x 2

A
>
B
<
C
>=
D
<=
18

For test point x = , the inequality is .

Question illustration
A
True
B
False
19

For test point x = , the inequality is .

Question illustration
A
True
B
False

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