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August 29, 2014

Homework Help: algebra 2

Posted by kylie on Friday, August 5, 2011 at 5:46am.

A player bumps a volleyball with an initial vertical velocity of 20 ft/s. The height of the ball can be model by the function h(t) = -16t2 + 20t + 4, where h is the height in feet and t is the time in seconds.

a. What is the maximum height of the ball? ( use your graphing calculator or find the vertex)

d. Suppose the volleyball were hit under the same conditions, but with an initial velocity of 32 ft/s. How much higher would the ball go?

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