Answer
$12$
Work Step by Step
Given $f(x)=4^x$, we have $f(log_4(12))=4^{log_4(12)}=12$
Precalculus (6th Edition)
by Lial, Margaret L.; Hornsby, John; Schneider, David I.; Daniels, Callie
Published by
Pearson
ISBN 10:
013421742X
ISBN 13:
978-0-13421-742-0
Chapter 4 - Inverse, Exponential, and Logarithmic Functions - Quiz - Page 461: 12
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