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Mathematics, 27.06.2019 13:00 zaratayyibah

Aball is thrown straight up from the top of a building that is 400 ft high with an initial velocity of 64 ft/s. the height of the object can be modeled by the equation s(t) = -16t2 + 64t + 400. determine the time(s) the ball is higher than the building. write your answer in interval notation. then in two or more complete sentence, explain your solution method.

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