Answer
$x=83 $
Work Step by Step
Recall the rule that when $y=\log_a b$, we have: $a^y=b$
Applying this rule, we obtain:
$3^{2}=\sqrt {x-2} \\9 =\sqrt {x-2} \\ 81 =x-2 \\ x=81+2 \\ x=83 $
Precalculus: Concepts Through Functions, A Unit Circle Approach to Trigonometry (3rd Edition)
by Sullivan III, Michael
Published by
Pearson
ISBN 10:
0-32193-104-1
ISBN 13:
978-0-32193-104-7
Chapter 4 - Exponential and Logarithmic Functions - Chapter Review - Review Exercises - Page 370: 40
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