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31 October, 15:05

The quadratic function h (t) = - 16t^2+150 models a balls height, in feet, over time, in seconds, after it is dropped from a 15 story building

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  1. 31 October, 15:46
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    From the equation, h (t) = - 16t^2+150. You are given the height of the building which is 15ft and you are asked to find the time it takes to fall in seconds.

    h (t) = - 16t^2+150

    15=-16t^2+150

    15 - 150 = - 16t^2

    -135 = - 16t^2

    t = 2.9 seconds
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