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QUESTION
April shoots an arrow upward into the air at a speed of 64 feet per second from a platform that is 21 feet high.
April shoots an arrow upward into the air at a speed of 64 feet per second from a platform that is 21 feet high. The height of the arrow is given by the function h(t) = -16t2 + 64t + 21, where t is the time is seconds. What is the maximum height of the arrow?
