x y5 y6 y7 y8 0.66 1.17 0.37 0.46 0.598 1.73 1.73 0.82 0.374 0.745 3.38 2.59 1.43 0.272 1.048 4.14 2.99 1.68 0.235 1.225 4.56 3.2 1.82 0.217 1.336 5.4 3.64 2.1 0.185 1.589 7.9 4.95 2.87 0.114 2.661 9.64 5.85 3.38 0.082 3.81 9.81 5.94 3.43 0.079 3.946 11.42 6.78 3.89 0.058 5.5 13.07 7.64 4.35 0.042 7.73 13.62 7.93 4.5 0.038 8.659 15.58 8.95 5.03 0.026 12.972 16.43 9.4 5.25 0.022 15.458 17.77 10.1 5.6 0.017 20.379 18.66 10.56 5.83 0.014 24.485 18.83 10.65 5.88 0.014 25.359 21.3 11.94 6.51 0.009 42.205 22.24 12.43 6.74 0.007 51.235