Answer
c.
Work Step by Step
$y = \log_2 x$ means that $y$ is the power to which $2$ is raised to produce $x$, therefore $y = \log_2 x \,\to\, 2^{y} = x $
Algebra: A Combined Approach (4th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321726391
ISBN 13:
978-0-32172-639-1
Chapter 12 - Section 12.5 - Logarithmic Functions - Vocabulary and Readiness Check - Page 874: 2
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