Answer
$x=3$
Work Step by Step
According to the graph the point of intersection is between $x=2$ and $x=4$, that is, it must be close to $x=3$.
$f(x)=g(x)$
$2^x=8$
$2^x=2^3$
Using the One-to-One Property:
$x=3$
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 395: 17
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