Precalculus (6th Edition) Blitzer

Published by Pearson
ISBN 10: 0-13446-914-3
ISBN 13: 978-0-13446-914-0

Chapter 2 - Section 2.6 - Rational Functions and Their Graphs - Exercise Set - Page 402: 121

Answer

The graph of the functions $f\left( x \right)=\frac{{{x}^{2}}-1}{x}$ , $f\left( x \right)=\frac{2{{x}^{2}}}{{{x}^{2}}+4}$ , $f\left( x \right)=\frac{1}{x-1}$ , $f\left( x \right)=\frac{1}{{{\left( x+2 \right)}^{2}}}$ , and $f\left( x \right)=\frac{x+2}{{{x}^{2}}+x-6}$ are shown below.
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Work Step by Step

It can be seen from the handmade graphs and the graphs obtained from the graphing utility that the graphs are the same. Hence, it is verified.
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