Mathematics, 24.11.2020 23:00 dan20012001

The height h(t), in feet, of a snowboarder t seconds after beginning a certain jump can be approximated by h(t) = -16t^2 +22.9t + 9. If the
snowboarder lands at a point that is 4 feet below the base of the jump,
determine the airtime (the time the snow boarder is in the air) for this
jump. Round to the nearest tenth of a second.

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