Answer Happy

Please, only MATLAB CODE, if you don't have knowledge in MATLAB
don't answer the question. PUT THE MATLAB CODE AND output.
5. Create a MATLAB Script to do a linear, quadratic and exponential regression (using polyfit and Isqcurvefit MATLAB regression functions) and plot the points and the curve. Test it for the following data sets. a. x = [ 1 2 3] and y = [1 4 8] b. x = [-1 0 1 2] and y = [ 1/3 13 9] C. X = [ 0 1 8 12 27] and y = [ 1 2 3 4 5]