SOLUTION: the height h in feet of an object after t seconds is given by the function: h= -16t^2 + 40t + 8. How long will it take the object to hit the ground? round your answer to the neares

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Question 1018168: the height h in feet of an object after t seconds is given by the function: h= -16t^2 + 40t + 8. How long will it take the object to hit the ground? round your answer to the nearest thousandth.
Thank you for your time and help in solving this problem
Daniel H. Jack

Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
the height h in feet of an object after t seconds is given by the function: h= -16t^2 + 40t + 8. How long will it take the object to hit the ground?
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It "hits the ground" when h(t) = 0
Solve for t.
Use the positive solution.