Functions Modeling Change: A Preparation for Calculus, 5th Edition

Published by Wiley
ISBN 10: 1118583191
ISBN 13: 978-1-11858-319-7

Chapter 4 - Exponential Functions - 4.1 Introduction to the Family of Exponential Functions - Exercises and Problems for Section 4.1 - Exercises and Problems - Page 145: 12


$a=79.2$, $r=0.002$

Work Step by Step

The value of $a$ can be seen without any rearrangement, since the coefficient is $79.2$ so $a=79.2$. $r$ can be found by using the fact that $$1+r=1.002 \implies r=1.002-1=0.002$$
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