Answer
$3^x=5$
Work Step by Step
We know that $9=3^2$.
Hence $9^x=25\\(3^2)^x=25\\3^{2x}=25\\\sqrt{3^{2x}}=\sqrt{25}\\\sqrt{(3^{x})^2}=\sqrt{5^2}\\3^x=5$
Precalculus (10th Edition)
by Sullivan, Michael
Published by
Pearson
ISBN 10:
0-32197-907-9
ISBN 13:
978-0-32197-907-0
Chapter 5 - Exponential and Logarithmic Functions - 5.3 One-to-One Functions; Inverse Functions - 5.3 Assess Your Understanding - Page 282: 87
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