The following sketch represents the speed Ï (in miles per hour) of Michaels car as a function

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The following sketch represents the speed Ï… (in miles per hour) of Michael€™s car as a function of time t (in minutes).

v(t) (7.4, 50) (7, 50) (8, 38) (7.6, 38) (4, 30) (2, 30) (4.2, 0) (6, 0) (9.1, 0)


(a) Over what interval of time was Michael traveling fastest?

(b) Over what interval(s) of time was Michael€™s speed zero?

(c) What was Michael€™s speed between 0 and 2 minutes?

(d) What was Michael€™s speed between 4.2 and 6 minutes?

(e) What was Michael€™s speed between 7 and 7.4 minutes?

(f) When was Michael€™s speed constant?

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Precalculus

ISBN: 978-0321716835

9th edition

Authors: Michael Sullivan

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