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1. A ball is short upwards from the roof at a high school. its height h(t),metres,above the ground after t seconds is given by the equation h(t) = 6 + 80t â€“ 5t2
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by Bredley001 at April 13, 2011

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If you want to find the height of the school, find the value of h(t) when t=0, which is 6 meters

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chitra003 April 14, 2011