AnswersCommon Core Algebra II A-ICSimplifying Rational Expressions

Vertical Asymptotes of Rational Functions Answers

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Which statement is true about the discontinuities of the function f(x)?

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A
There are holes at x = 7 and .
Option A
B
There are asymptotes at x = 7 and .
Option B
C
There are asymptotes at x = –7 and .
Option C
D
There are holes at (–7, 0) and .
Option D
4

The speed, s, of the current in a certain whirlpool is modeled by , where d is the distance from the center of the whirlpool. Which statement is true?

Question illustration
A
As you move closer to the center of the whirlpool, the speed of the current approaches 0.
B
As you move closer to the center of the whirlpool, the speed of the current approaches 1.
C
As you move closer to the center of the whirlpool, the speed of the current approaches infinity.
D
As you move closer to the center of the whirlpool, the speed of the current approaches 300.
10

Consider the table representing a rational function.undefinedundefinedWhich statement describes the graph of the function?

Question illustration
A
The function has holes when x = 0 and x = 4.
B
The function has vertical asymptotes when x = 0 and x = 4.
C
The function has a vertical asymptote when x = 0 and a hole when x = 4.
D
The function has a hole when x = 0 and a vertical asymptote when x = 4.

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