SOLUTION: A ball is thrown upward from a 100-foot tall building with an initial velocity of 14 feet per second. Its height s(t) is given by the function s(t)=-16t^2 + 14t +100. Find the inte

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Question 1099358: A ball is thrown upward from a 100-foot tall building with an initial velocity of 14 feet per second. Its height s(t) is given by the function s(t)=-16t^2 + 14t +100. Find the interval of time for which the ball is greater than 103 feet.
Answer by josmiceli(19441)   (Show Source): You can put this solution on YOUR website!



Use quadratic equation




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and


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The ball is higher than 103 ft during the
time interval sec
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check:
Here's the plot:


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