Answer
x = 1/5
Work Step by Step
Rule: $a = \log_{b}(b^{a})$
$-1 = \log_{5}5^{-1} = \log_{5}(1/5)$
$\log_{5}x= \log_{5}(1/5)$
x = 1/5
Calculus: Early Transcendentals (2nd Edition)
by Briggs, Bill L.; Cochran, Lyle; Gillett, Bernard
Published by
Pearson
ISBN 10:
0321947347
ISBN 13:
978-0-32194-734-5
Chapter 1 - Functions - 1.3 Inverse, Exponential, and Logarithmic Functions - 1.3 Exercises - Page 36: 42
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