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September 1, 2015

Homework Help: Brief Calculus

Posted by Kyle on Thursday, October 10, 2013 at 10:39pm.

The position s of a point (in feet) is given as a function of time t (in seconds).

s = −10 + t − 15t2;  t = 8

(a) Find the point's acceleration as a function of t.

s''(t)=

I know this answer, it is -30

(b) Find the point's acceleration at the specified time.

s''(8) = I don't know this one

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