Intermediate Algebra for College Students (7th Edition)

Published by Pearson
ISBN 10: 0-13417-894-7
ISBN 13: 978-0-13417-894-3

Chapter 6 - Section 6.8 - Modeling Using Variation - Exercise Set - Page 490: 44

Answer

See below.

Work Step by Step

$x$ and $y$ vary directly if there is a constant $k$ for which $y=kx$.
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