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: 48

Answer

$x = 5$

Work Step by Step

$2^{x} + 30 = 62$ $2^{x} = 62 - 30$ $2^{x} = 32$ $2^{x} = 2^{5}$ $x = 5$ Check: $ 2^{x} + 30$ $ = 2^{5} + 30$ $= 32 + 30$ $= 62$
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