Elementary and Intermediate Algebra: Concepts & Applications (6th Edition)

Published by Pearson
ISBN 10: 0-32184-874-8
ISBN 13: 978-0-32184-874-1

Chapter 12 - Exponential Functions and Logarithmic Functions - 12.1 Composite Functions and Inverse Functions - 12.1 Exercise Set - Page 788: 83


$V^{-1}$ is used to calculate the number of years after 2008, after which the stamp will reach a given value.

Work Step by Step

If V(t) assigns (a value) to (the number of years passed), then $V^{-1}(t)$ assigns (a number of years) to (a given value in dollars). $V^{-1}(t)$ could be used on a given value of the stamp to determine how many years since 2008 will pass until the stamp achieves that value.
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