An object moves on a horizontal coordinate line. Its directed distance s from the origin at the

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An object moves on a horizontal coordinate line. Its directed distance s from the origin at the end of t seconds is s = t3 - 6t2 + 9t feet.
(a) When is the object moving to the left?
(b) What is its acceleration when its velocity is zero?
(c) When is its acceleration positive?
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Calculus

ISBN: 978-0131429246

9th edition

Authors: Dale Varberg, Edwin J. Purcell, Steven E. Rigdon

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