Mathematics, 13.11.2020 05:40 betru12315

A ball is thrown vertically upward with an initial speed of 80 feet per second from a cliff 500 feet above the sea level. The height s (in feet) of the ball from the ground after t seconds is s(t)= -16t^2+80t+500. For what time t is the ball more than 596 feet above sea level?

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A ball is thrown vertically upward with an initial speed of 80 feet per second from a cliff 500 feet...