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: 7


a. y= 24,000 -3000x b. 5 years

Work Step by Step

y= 24,000 -3000x 9000=24,000-3000x -15000 = -3000x x=$\frac{-15000}{-3000}$ x=5
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