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: 87

Answer

$2$

Work Step by Step

$x^{-6}=\dfrac {1}{64}=\dfrac {1}{2^{6}}=2^{-6}\Rightarrow x=2$
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