## Algebra: A Combined Approach (4th Edition)

Published by Pearson

# Chapter 12 - Section 12.5 - Logarithmic Functions - Exercise Set: 72

4

#### Work Step by Step

Based on the properties of logarithms, we know that $b^{log_{b}x}=x$ (as long as $b\gt0$ and $b\ne1$). Therefore, $7^{log_{7}4}=4$.

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