Algebra and Trigonometry 10th Edition

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

Chapter 2 - 2.3 - Analyzing Graphs of Functions - 2.3 Exercises - Page 196: 66


60 feet/sec

Work Step by Step

$s(t) = 20t^\frac{3}{2}$ Average speed of the car from t=0 to t=9. $(s(9)-s(0))/(9-0)=(20(9)^\frac{3}{2}-20(0)^\frac{3}{2})/(9-0)=540/9=60 feet/sec$
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