Intermediate Algebra: Connecting Concepts through Application

Published by Brooks Cole
ISBN 10: 0-53449-636-9
ISBN 13: 978-0-53449-636-4

Chapter 5 - Exponential Functions - 5.2 Solving Equations Using Exponent Rules - 5.2 Exercises: 89

Answer

1. Power equation 2. $r \approx 1.63$

Work Step by Step

1. Power equation For example: The variable is raised to the power of a number. 2. Solve $150r^{5} = 1725$ $r^{5} = 11.5$ $r = 11.5^{\frac{1}{5}} $ $r = 1.6298...$ $r \approx 1.63$ Check: $ 150(1.6298...)^{5} $ $= 150(11.5)$ $= 1725$
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