I need MatLab code , please read first

The following points are given: a) Fit the data with a first-order polynomial. Make a plot of the points and the polynomial. b) Fit the data with a third-order polynomial. Make a plot of the points and the polynomial. c) Fit the data with a fourth-order polynomial. Make a plot of the points and the polynomial. d) Fit the data with a tenth-order polynomial. Make a plot of the points and the polynomial