A baseball is thrown from the top of a building and falls to the ground below. Its path is approximated by the relation h = −5t^2 + 5t + 30, where h is the height above the ground in meters and t is the elapsed time in seconds.
a) how tall is the building
b) When will the ball hit the ground
c) What is the maximum height that the ball reaches? Round to two decimal places.
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Answer:
b) When will the ball hit the ground
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