Algebra: A Combined Approach (4th Edition)

Published by Pearson
ISBN 10: 0321726391
ISBN 13: 978-0-32172-639-1

Chapter 8 - Section 8.3 - Polynomial and Rational Functions - Exercise Set - Page 595: 45

Answer

a) $-16t(t-4)$ b) 48 feet c) The common factor of $-16t$ was factored out, which allows the two expressions to be the same.

Work Step by Step

a) $-16t^2+64t$ $-16t(t-4)$ b) $h(t)=-16t^2+64t$ $h(1)=-16*1^2+64*1$ $h(1)=-16*1+64$ $h(1)=-16+64$ $h(1)=48$ $-16t(t-4)$ $-16*1(1-4)$ $-16*-3$ $48$
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