Functions Modeling Change: A Preparation for Calculus, 5th Edition

Published by Wiley

Chapter 5 - Logarithmic Functions - Review Exercises and Problems for Chapter Five - Page 226: 9

7.72

Work Step by Step

Using the rules of logarithms, we find: $$1.1^x=\frac{48}{23} \\ x=log_{1.1}(\frac{48}{23}) \\ x=7.72$$

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