Precalculus: Concepts Through Functions, A Unit Circle Approach to Trigonometry (3rd Edition)

Published by Pearson
ISBN 10: 0-32193-104-1
ISBN 13: 978-0-32193-104-7

Chapter 4 - Exponential and Logarithmic Functions - Section 4.4 Logarithmic Functions - 4.4 Assess Your Understanding - Page 321: 27



Work Step by Step

RECALL: (i) $\log_b{1}=0$ (ii) $\log_b{b}=1$ (iii) $\log_b{b^x}=x$ Write $25$ as $5^2$ to obtain: $=\log_5{562}$ Use rule (iii) above to obtain: $\log_5{5^2}=2$
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