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: 49

Answer

$t = 2$

Work Step by Step

$7^{t} + 8 = 57$ $7^{t} = 57 - 8$ $7^{t} = 49$ $7^{t} = 7^{2}$ $t = 2$ Check: $ 7^{t} + 8$ $= 7^{2} + 8 $ $= 49 + 8$ $= 57$
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