Precalculus (6th Edition) Blitzer

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

Chapter P - Section P.8 - Modeling with Equations - Exercise Set - Page 123: 8


a. y=45,000 -5000x b. 7 years

Work Step by Step

y= 45,000 -5000x 10000=45,000-5000x -35000 = -5000x x=$\frac{-35000}{-5000}$ x=7
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