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: 130

Answer

The provided statement is false. The correct statement is that “A rational function can have both a vertical asymptote as well as a horizontal asymptote”.

Work Step by Step

In the rational function, say $F\left( x \right)=\frac{P\left( x \right)}{Q\left( x \right)}$ , the vertical asymptotes are dependent on the denominator terms. That is, for the vertical asymptote, we put $Q\left( x \right)=0$. Whereas, the horizontal asymptotes depend on the degree of the numerator and denominator term. For having horizontal asymptotes, the degree of the numerator should be either equal to or less than that of the denominator. Therefore, a rational function can have both vertical and horizontal asymptotes. And thereby, the given statement is false.
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