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

Published by Pearson

# Chapter 4 - Exponential and Logarithmic Functions - Section 4.4 Logarithmic Functions - 4.4 Assess Your Understanding - Page 320: 10

#### Answer

$\log_4{16}=2$

#### Work Step by Step

RECALL: $y=b^x \longrightarrow \log_b{y}=x$ Use the rule above to obtain: $16=4^2 \longrightarrow \log_4{16}=2$

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