Intermediate Algebra: Connecting Concepts through Application

Published by Brooks Cole
ISBN 10: 0-53449-636-9
ISBN 13: 978-0-53449-636-4

Chapter 6 - Logarithmic Functions - 6.2 Logarithmic Functions - 6.2 Exercises: 87

Answer

$m^{-1}(r) =\log_5 r$

Work Step by Step

$m(r) = 5^{r}$ Let $m(r) = y$ $y = 5^{r}$ Swap the $r$ and $y$ variable to find the inverse: $r = 5^{y}$ $y = \log_5 r$ $m^{-1}(r) =\log_5 r$
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