College Algebra (6th Edition)

Published by Pearson
ISBN 10: 0-32178-228-3
ISBN 13: 978-0-32178-228-1

Chapter 4 - Exponential and Logarithmic Functions - Exercise Set 4.3 - Page 478: 126

Answer

False; $\frac{\log_{7}49}{\log_{7}7} = 2$

Work Step by Step

$$\frac{\log_{7}49}{\log_{7}7} = \log_{7}49 - \log_{7}7$$ $$\frac{\log_{7}7^2}{\log_{7}7} = \log_{7}7^2 - \log_{7}7$$ $$ \frac{2\log_{7}7}{\log_{7}7} = 2\log_{7}7 - log_{7}7$$ $$\frac{2(1)}{(1)} = 2(1) - (1)$$ $$2 \neq 1$$
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