Posted by **Lauren Marie** on Thursday, August 11, 2011 at 11:35am.

A ball is thrown up from a twelve foot platform with an initial velocity of 112 feet/second. The formula that describes the height of the ball in terms of time is: f(t) = -16t^2+112t+12.

Determine the time at which the ball reaches its maximum height. Determine the maximum height of the ball.

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