Help for doing my homework by using matlab, please. Thank you

11. The following points are given: 3.5 |-2.5 1.5 2.2 5.2 6 1 0.3 0.413.6 3.94.54.23.5 4.05.3 6.1 a) Fit the data with a first-order polynomial. Make a plot of the points and b) Fit the data with a second-order polynomial. Make a plot of the points and c) Fit the data with a fourth-order polynomial. Make a plot of the points and d) Fit the data with a tenth-order polynomial. Make a plot of the points and the polynomial the polynomial the polynomial the polynomial