SOLUTION: Hi, please help me answer this problem: The height in feet of a golf ball hit from an elevated tee box is given by h(t)=-16t^2+60t=25 where t represents the time in seconds the

Question 107031: Hi, please help me answer this problem:
The height in feet of a golf ball hit from an elevated tee box is given by h(t)=-16t^2+60t=25 where t represents the time in seconds the ball is in flight.
a.) Determine the number of seconds before the golf ball hits the ground at a height level of 0 feet.
b.) Determine the time interval that the ball is above 25 feet.
Thanks.
Answer by scott8148(6628) (Show Source): You can put this solution on YOUR website!
plug in 0 for h and solve for t

plug in 25 for h and solve for t
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