Answer
$y=5^x$ (green)
$y=212$ (blue)
By observation of the graph:
Solution: $x\approx3.285$. It is just a visual approximation.
Algebraically:
$x=3.328$
Work Step by Step
$5^x=212$
$\log_55^x=\log_5212$
$x=\frac{\ln212}{\ln5}=3.328$
Algebra and Trigonometry 10th Edition
by Larson, Ron
Published by
Cengage Learning
ISBN 10:
9781337271172
ISBN 13:
978-1-33727-117-2
Chapter 5 - 5.4 - Exponential and Logarithmic Equations - 5.4 Exercises - Page 396: 63
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