Question: 4 (10pts) A ball is thrown vertically upward from the top of a building. The height h [m] of the ball above the ground is

4 (10pts) A ball is thrown vertically upward from the top of a building. The height h [m] of the ball above the ground is approximately given as a function of time t [sec] by h = 25 + 20t - 512. Answer the following. Make sure to show algebraic work. (a) When does the ball hit the ground? (b) How high does the ball go? When? (Must show work by completing the square.)

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