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April 25, 2014

Homework Help: calc

Posted by chris on Wednesday, November 30, 2011 at 10:42pm.

a stone is thrown striaght up from the roof of an 80 foot building. the height of the stone above the ground t seconds later is giving by the function
h(t)=-16t^2 + 64t +80
during what time is the stone rising?
when is the stone falling?
what is the maximum upward velocity?
when does it reach its maximum height above the ground?

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