Precalculus (6th Edition) Blitzer

Published by Pearson
ISBN 10: 0-13446-914-3
ISBN 13: 978-0-13446-914-0

Chapter 2 - Section 2.8 - Modeling Using Variation - Exercise Set - Page 425: 43


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Work Step by Step

A combined variation will involve both the direct ($k_1x$) and inverse ($\frac{k_2}{z}$) variations at the same time; that is, $y=\frac{kx}{z}$. For example, where $k$ is a constant and $x, z$ are variables.
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