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August 21, 2014

Homework Help: Calculus

Posted by Anonymous on Saturday, October 8, 2011 at 1:32pm.

If a rock is thrown upward on the planet Mars with a velocity of 7 m/s, its height in meters t seconds later is given by y = 7t − 1.86t2. (Round your answers to two decimal places.)
(a) Find the average velocity over the given time intervals.
(i) [1, 2]
(ii) [1, 1.5]
(iii)[1, 1.1]
(iv) [1, 1.01]
(v) [1, 1.001]

(b) Estimate the instantaneous velocity when t = 1.

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