the table shows the heights y of a competitive water-skier x seconds after jumping a ramp. Write a function that models the height of the water-skier over time. The function y=_______models the height When is the water-skier 5 feet above the water? Round your answer to the nearest hundredth. The skier is 5 feet advice the water after about ____second(s) How long is the skier in the air? The skier is in the air for______ second(s).​