Answer
2
Work Step by Step
We see that the expression is undefined for two different values. This means that the denominator must have two zeros. The number of zeros cannot exceed the degree of the polynomial, so the degree must be 2 or greater.
Elementary and Intermediate Algebra: Concepts & Applications (6th Edition)
by Bittinger, Marvin L.; Ellenbogen, David J.; Johnson, Barbara L.
Published by
Pearson
ISBN 10:
0-32184-874-8
ISBN 13:
978-0-32184-874-1
Chapter 6 - Rational Expressions and Equations - 6.1 Rational Expressions - 6.1 Exercise Set - Page 380: 62
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