SOLUTION: The height h(t), in feet, of an airborn tee-shirt t seconds after being launched can be approximated by h(t)=-15t^2+105t+10, 0<= t <=10. Find the time when the shirt will reach a f
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Question 733322: The height h(t), in feet, of an airborn tee-shirt t seconds after being launched can be approximated by h(t)=-15t^2+105t+10, 0<= t <=10. Find the time when the shirt will reach a fan 190ft above ground level?
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
ft
Use quadratic formula
also
There are 2 times when it is 190 ft above ground, 3 sec and 4 sec
check:
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