Concept explainers
Describe and correct your friend’s error.
Answer to Problem 6LC
Explanation of Solution
Given information:
Your friend says that the vertical asymptote of the graph of
Concept used:
- The vertical asymptotes of a function occur at the points where the function is undefined. Vertical asymptote is the vertical line that the graph of rational function follows till infinity but never intersects.
The horizontal asymptote of a rational function is given by:
- If the degree of the polynomial in numerator is less than the degree of polynomial in denominator, then the horizontal asymptote is the horizontal axis or y=0.
- If the degree of the polynomial in numerator is equal to the degree of polynomial in denominator, then the horizontal asymptote is the ratio of the leading coefficients of numerator and denominator.
- If the degree of the polynomial in numerator is greater than the degree of polynomial in denominator, then there is no horizontal asymptote. In this case there occurs a slant asymptote.
- We know that the vertical asymptotes occur at the values of x for which the denominator is zero.
Calculation:
Rational function is
Vertical asymptote
So the vertical asymptote
The correct vertical asymptote of the graph
Chapter 11 Solutions
High School Math 2015 Common Core Algebra 1 Student Edition Grade 8/9
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