Answer
$8\leq x\leq 16$
Work Step by Step
From the original problem, we have $2^3\leq x\leq2^4$ which gives $8\leq x\leq 16$
Precalculus: Mathematics for Calculus, 7th Edition
by Stewart, James; Redlin, Lothar; Watson, Saleem
Published by
Brooks Cole
ISBN 10:
1305071751
ISBN 13:
978-1-30507-175-9
Chapter 4 - Section 4.5 - Exponential and Logarithmic Functions - 4.5 Exercises - Page 369: 80
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