Saturday
December 20, 2014

Homework Help: math

Posted by Nisabel on Friday, March 28, 2014 at 10:09pm.

A ball is thrown into the air with an upward velocity of 20 ft/s. Its height (h) in feet after t seconds is given by the function h(t) = –16t^2 + 20t + 2. How long does it take the ball to reach its maximum height? What is the ball’s maximum height? Round to the nearest hundredth, if necessary

reaches maximum height of 8.25 feet after 1.25 seconds.
reaches a maximum height of 8.25 feet after 0.63 seconds
reaches a maximum height of 0.16 feet after 1.34 seconds
reaches a maximum height of 0.32 feet after 1.34 seconds

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