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OpenStudy (anonymous):
A golf ball is hit into the air, and its height h in feet after t seconds is given by h(t)=-5t^2+130t. Determine the maximum height of the golf ball.
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OpenStudy (anonymous):
find max height by finding axis of symmetry
OpenStudy (anonymous):
t = -b/2a b = 130 a = -5 t = -130/2(-5) = -130/-10 = 13 now solve for h(t) if t = 13
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