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: 87

Answer

1. Exponential 2. $k = 4$

Work Step by Step

1. Exponential equation The variable is the exponent. 2. Solve $3^{k} = 81$ $3^{k} = 3^{4}$ $k = 4$ Check: $ 3^{4}$ $= 81$
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