6. Height A baseball is thrown upward from ground level with an initial velocity of 48 feet per second, and its
heighth (in feet) is given by h(t) = -16t² + 48t, 0 ≤ t ≤ 3 where t is the time (in seconds). You are told that
the ball reaches a height of 64 feet. Is this possible? Explain.



Answer :