Answer
the solution -1
Work Step by Step
$5^{x}$=$\frac{1}{5}$
$5^{x}$=$5^{-1}$
x=-1
Check the solution -1
Let x=-1
$5^{x}$=$\frac{1}{5}$
$5^{-1}$=$\frac{1}{5}$
$\frac{1}{5}$=$\frac{1}{5}$
Algebra: A Combined Approach (4th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321726391
ISBN 13:
978-0-32172-639-1
Chapter 12 - Section 12.4 - Exponential Growth and Decay Functions - Exercise Set - Page 868: 29
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