Answer
$4$
Work Step by Step
Recall:
$$a^b=a^c \longrightarrow b=c$$
Thus,
$$3^x=3^4\implies x=4$$
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 - Section 4.3 Exponential Functions - 4.3 Assess Your Understanding - Page 305: 13
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