Precalculus (6th Edition)

Published by Pearson
ISBN 10: 013421742X
ISBN 13: 978-0-13421-742-0

Chapter 1 - Equations and Inequalities - 1.6 Other Types of Equations and Applications - 1.6 Exercises - Page 146: 7

Answer

$D$

Work Step by Step

The equation involves a square root of an expression on the left side. Thus, to solve the equation, both sides of must be squared to get rid of the radical sign. Therefore, the answer is Option $D$.
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