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Mathematics, 01.04.2020 03:29 love7973

A hovercraft takes off from a platform.
Its height (in meters), 2 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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A hovercraft takes off from a platform.
Its height (in meters), 2 seconds after takeoff, is mo...

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