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OpenStudy (anonymous):
A catapult launches with an upward velocity of 148 ft/s. The height of the bolder (h) in feet after t seconds is given by the function h= -16t^2 + 148t+ 30. How long does it take for the boulder to reach maximum height? What is the boulders maximum height? i really need help on this one
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OpenStudy (anonymous):
for maximum height,put the derivative of h=0
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