Intermediate Algebra (6th Edition)

Published by Pearson
ISBN 10: 0321785045
ISBN 13: 978-0-32178-504-6

Chapter 5 - Section 5.6 - Factoring Trinomials - Exercise Set - Page 304: 99b


As time passes when the object is thrown up, it reaches a maximum height and then goes back down.

Work Step by Step

As seen in Part A of this problem, the height of the object increases, then decreases as time passes. At $t=0$ the height is 576 feet. At $t=2$ the height is 672 feet. At $t=4$ the height is 640 feet. At $t=6$ the height is 480 feet. The object reaches its highest point at 2 seconds and decreases from there. So, after reaching its maximum height, the height of the object decreases.
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