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Mathematics, 11.04.2020 05:12 faithtunison

Its height(in meters),x seconds after takeoff, is modeled by h(x)= -(x-11)(x+3) how many seconds after takeoff will the hovercraft land on the ground

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Its height(in meters),x seconds after takeoff, is modeled by h(x)= -(x-11)(x+3) how many seconds aft...
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