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10 August, 02:56

two toy rockets are launched straight up into the air. the height, in feet, of each rocket at t seconds after launch is given by the polynomial equations shown. write an equation to find the difference in height of rocket a and rocket b. predict the difference in height after 5 seconds rocket a: d1=-16t2+122t rocket bd2=-16t2+84t

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  1. 10 August, 04:31
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    d₁ = - 16t² + 122t

    d₂ = - 16t² + 84t

    d = d₁ - d₂

    d = - 16t² + 122t - (-16t² + 84t)

    d = 38t

    After five seconds, t=5,

    d = 38 (5) = 190

    Answer: 190 feet
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