Algebra and Trigonometry 10th Edition

Published by Cengage Learning
ISBN 10: 9781337271172
ISBN 13: 978-1-33727-117-2

Chapter 2 - Cumulative Test for Chapter P-2 - Page 237: 47



Work Step by Step

$\frac{s(t_2)-s(t_1)}{t_2-t_1}=\frac{(-16(2)^2+36(2)+8)-(-16(0)^2+36(0)+8)}{2-0}=(16-8)/2=8/2=4$ On average, the ball moves 4 feet per second between t=0 and t=2.
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