x = 0 x = 2 x = 4 x=6 100.00 90.00 80.00 70.00 60.00 y = 2 85.00 64.49 53.50 48.15 50.00 y = 4 70.00 48.90 38.43 35.03 40.00 y= 6 55.00 38.78 30.39 27.07 30.00 y = 8 40.00 35.00 30.00 25.00 20.00