SOLUTION: An apple falling from a tree is h feet above the ground t seconds after it begins to fall, where h = 64-16t^2. After how many seconds will the apple hit the ground?
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Question 627048: An apple falling from a tree is h feet above the ground t seconds after it begins to fall, where h = 64-16t^2. After how many seconds will the apple hit the ground?
Answer by solver91311(24713) (Show Source): You can put this solution on YOUR website!
Set your function equal to zero and solve for 
. Discard the negative root since you don't care what happened BEFORE the apple started falling -- do you?
John
My calculator said it, I believe it, that settles it
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