Algebra and Trigonometry 10th Edition

Published by Cengage Learning
ISBN 10: 9781337271172
ISBN 13: 978-1-33727-117-2

Chapter 4 - 4.1 - Rational Functions and Asymptotes - 4.1 Exercises - Page 317: 58


Example 1: $f(x)=\frac{x+5}{x^2+8}$ Example 2: $f(x)=\frac{x+1}{x-15}$

Work Step by Step

Example 1: make sure that the denominator is different than $0$ for any $x$ in the set of real numbers. Example 2: make sure that the denominator is equal to $0$ when $x=15$
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