College Algebra (10th Edition)

Published by Pearson
ISBN 10: 0321979478
ISBN 13: 978-0-32197-947-6

Chapter 5 - Section 5.3 - The Graph of a Rational Function - 5.3 Assess Your Understanding - Page 367: 69


See below.

Work Step by Step

The graph has a hole when there is a common factor between the numerator and the denominator. Also the factor has to yield a real zero. In other words, the graph has a hole when for an input value both the numerator and denominator of the function are equal to zero.
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