Precalculus (6th Edition)

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

Chapter 4 - Inverse, Exponential, and Logarithmic Functions - 4.2 Exponential Functions - 4.2 Exercises: 89

Answer

$-27$

Work Step by Step

$x^{5/3}=-243\Rightarrow \left( \sqrt [3] {x}\right) ^{5}=\left( -3\right) ^{5}\Rightarrow \sqrt [3] {x}=-3\Rightarrow x=\left( -3\right) ^{3}=-27$
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