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 398: 13


As $x\to -\infty $ , $f\left( x \right)\to 0.$

Work Step by Step

If the horizontal asymptote is $y=a$ then the function tends to $a$ as $x$ tends to $+\infty $ or $-\infty $. In the graph $y=0$ is a horizontal asymptote. So, the function $f\left( x \right)$ tends to $0$ as $x$ tends to $-\infty $.
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