SOLUTION: PLEASEEE HELPPPP !!! An arrow shot into the air is 160t-16t^2 feet above the ground t seconds after it is released. During what period of time is the arrow above 384 feet?
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Question 906771: PLEASEEE HELPPPP !!! An arrow shot into the air is 160t-16t^2 feet above the ground t seconds after it is released. During what period of time is the arrow above 384 feet? Answer by lwsshak3(11628) (Show Source):
You can put this solution on YOUR website! An arrow shot into the air is 160t-16t^2 feet above the ground t seconds after it is released. During what period of time is the arrow above 384 feet?
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f(t)=160t-16t^2
f(4)=160*4-16*4^2=384
ans: 4 sec
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