College Algebra (MindTap Course List)
12th Edition
ISBN:9781305652231
Author:R. David Gustafson, Jeff Hughes
Publisher:R. David Gustafson, Jeff Hughes
Chapter4: Polynomial And Rational Functions
Section4.CR: Chapter Review
Problem 91E
Related questions
Question
Find the horizontal asymptote, if there is one, of the graph of the rational function:
a. f(x) = 9x2/(3x2 + 1)
b. g(x) = 9x/(3x2 + 1)
Expert Solution
Step 1
a)
The function is given by
The objective is to find the horizontal asymptote.
Step 2
For finding the horizontal asymptote compare the leading coefficient and degree.
here, the numerator have highest degree 2 and have leading coefficient 9 and the denominator have highest degree 2 and have leading coefficient 3.
Then the horizontal asymptote will be obtained by dividing the leading coefficient of numerator to the leading coefficient of denominator.
That is,
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