Answer
(a) $ 7$
(b) $ 1$
(c) $ 2$
Work Step by Step
Given $f(x)=log_2\ x$, we have:
(a) $f(2^7)=log_2\ 2^7=7$
(b) $f(2^{log_22})=log_2\ 2^{log_22}=log_22=1$
(c) $f(2^{2log_22})=log_2\ 2^{2log_22}=2log_22=2$
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 - 4.4 Evaluation Logarithms and the Change-of-Base Theorem - 4.4 Exercises - Page 460: 98
Update this answer!
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.
