Title Fit the quadratic equation: y = p2*x^2 + p1*x + p0
Register		! Please register your use of Nonlin
Variables x,y		! Two variables: x and y
Parameters p0,p1,p2	! Estimate values for 3 parameters: p0, p1, and p2
Function y = p2*x^2 + p1*x + p0
Plot g			! Plot equation and data with grid lines
Data
1   44.5018
1.14286   44.5205
1.28571   39.481
1.42857   37.0612
1.57143   31.2728
1.71429   31.4719
1.85714   26.8406
2   23.3184
2.14286   23.2079
2.28571   18.5593
2.42857   17.0172
2.57143   13.1956
2.71429   11.7281
2.85714   11.2193
3   9.8298
3.14286   7.65966
3.28571   7.19957
3.42857   6.13058
3.57143   5.24003
3.71429   4.35174
3.85714   4.01262
4   4.0832
4.14286   4.43184
4.28571   4.10224
4.42857   4.71376
4.57143   5.49972
4.71429   6.44751
4.85714   8.00496
5   9.3924
5.14286   11.3625
5.28571   12.1353
5.42857   14.8461
5.57143   17.2329
5.71429   18.836
5.85714   22.8128
6   25.9776
6.14286   27.8596
6.28571   28.9115
6.42857   30.3752
6.57143   39.9816
6.71429   42.4947
6.85714   47.6039
7   47.2556
7.14286   51.6046
7.28571   59.9857
7.42857   64.8345
7.57143   62.9092
7.71429   76.0593
7.85714   74.5154
8   90.1824