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OpenStudy (anonymous):
A catapult launches a boulder with an upward velocity of 148 ft/s. The height of the boulder (h) in feet after t seconds is given by the function h = –16t² + 148t + 30. How long does it take the boulder to reach its maximum height? What is the boulder’s maximum height? Round to the nearest hundredth, if necessary.
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OpenStudy (anonymous):
I found the answer. 4.63s; 640.5ft
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