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 - Chapter Test: 15

Answer

$x = 4$

Work Step by Step

$-6(5^{x}) - 510 = -4260$ $-6(5^{x}) = -4260+510$ $-6(5^{x}) = -3750$ $5^{x} = \frac{-3750}{-6}$ $5^{x} = 625$ $x = \log_5 625$ $x = \log_5 5^{4}$ $x = 4$
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