(a).
Find vertical asymptotes of the graph of the function. Be sure to state your answer as equation of line.
y=|x|x+1
x=−1
Given:
The given function, y=|x|x+1
Concept Used:
A vertical asymptote is a vertical line that has the property that either: 1. 2. That is, as approaches from either the positive or negative side, the function approaches infinity. Vertical asymptotes occur at the values where a rational function has a denominator of 0.
Calculation:
The given function, y=|x|x+1
y=|x|x+1x+1=0x=−1
The vertical asymptotes of the function y=|x|x+1 is x=−1 .
(b).
Find horizontal asymptotes of the graph of the function. Be sure to state your answer as equation of line.
y=|x|x+1
y=1,−1
Given:
The given function, y=|x|x+1
Concept Used:
- A horizontal asymptote is a horizontal line that tells you how the function will behave at the very edges of a graph.
- If degree of numerator N < degree of denominator D, then the horizontal asymptote is y = 0.
- If degree of numerator N = degree of denominator D, then the horizontal asymptote is y = ratio of the leading coefficients.
- If degree of numerator N > degree of denominator D, then there is no horizontal asymptote.
Calculation:
The given function, y=|x|x+1
y=|x|x+1y=±xx+1y=xx+1 , −xx+1
Here degree of numerator (N) = 1
And If degree of denominator (D) = 1
If degree of numerator N =degree of denominator D, then the horizontal asymptote is y = ratio of the leading coefficients.
So N = D
Horizontal asymptote is −
y=xx, −xxy=1,−1
Thus the horizontal asymptote of the function y=|x|x+1 is y=1,−1 .
Chapter 1 Solutions
PRECALCULUS:GRAPHICAL,...-W/ACCESS
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