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December 22, 2014

Homework Help: Calculus

Posted by Cecille on Tuesday, February 22, 2011 at 12:52pm.

The position of a particle moving along the x-axis is given by s(t)=2t2+4. Use difference quotients to find the velocity v(t) and acceleration a(t), filling in the following expressions as you do so:

v(t)=limh->0 [_____ / h ] = ____

a(t)=limh->0 [ ____ / h ] = _____

ok my answer for v(t)= h(4t+h)/ h = 4t
and for a(t)= 4h/h = 4
for some reason the first part of v(t) is wrong, could someone please tell me what's wrong with it??

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