Algebra and Trigonometry 10th Edition

Published by Cengage Learning
ISBN 10: 9781337271172
ISBN 13: 978-1-33727-117-2

Chapter 3 - 3.5 - Mathematical Modeling and Variation - 3.5 Exercises - Page 295: 36



Work Step by Step

As $x$ increases, $y$ increases too: $y=kx$ Now choose any point. Let's use $(10,4)$: $4=k(10)$ $k=\frac{4}{10}=\frac{5}{2}$ The variation model: $y=\frac{5}{2}x$
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