Answer
Yes
Work Step by Step
$y=log_2 x$
When $x=1$, $y=0$. When $x=2$, $y=1$. When $x=4$, $y=2$. When $x=8$, $y=3$. There is a unique value for $y$ for each unique value of $x$, so the function is one-to-one.
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: 3
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