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the height in feet of a flare t seconds after it is shot is modeled by h(t)= -16t2+92t+3.5 find its average speed from 1 to 3 seconds

  • math - ,

    To do that, divide the distance traveled by the time elapsed.

    h(1) = 79.5
    h(3) = 135.5

    so, avg speed is 56ft/2s = 28ft/s

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