Intermediate Algebra (6th Edition)

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

Chapter 5 - Section 5.3 - Polynomials and Polynomial Functions - Exercise Set: 26

Answer

869 feet

Work Step by Step

We are given in Example 5 that the height of an object at t seconds can be found by the equation $P(t)=-16t^{2}+1125$. To find the height at $t=4$ seconds, we must find the value of $P(4)$. $P(4)=-16(4^{2})+1125=-16\times16+1125=-256+1125=869$ feet
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