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: 44

Answer

$x = 3$

Work Step by Step

$7(3^{x}) = 189$ $3^{x} = 27$ $3^{x} = 3^{3}$ $x = 3$ Check: $ 7(3^{x})$ $= 7(3^{3})$ $= 7(27)$ $= 189$
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