Answer
4 isn't in the solution set since that value makes the denominator zero.
Work Step by Step
We can't have division by zero, so that's why we have to disregard 4 as part of the solution set.
Intermediate Algebra (6th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321785045
ISBN 13:
978-0-32178-504-6
Chapter 8 - Section 8.4 - Nonlinear Inequalities in One Variable - Vocabulary, Readiness & Video Check - Page 510: 8
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