Precalculus (10th Edition)

Published by Pearson
ISBN 10: 0-32197-907-9
ISBN 13: 978-0-32197-907-0

Chapter 4 - Polynomial and Rational Functions - 4.2 Properties of Rational Functions - 4.2 Assess Your Understanding - Page 199: 64

Answer

They must be the same degree.

Work Step by Step

If the numerator's polynomial's degree is larger than the denominator's, there is no horizontal asymptote. If the numerator's polynomial's degree is lower than the denominator's, there is $x=0$ is the horizontal asymptote.
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