Write the following in matlab script. Please show the code (refer to bold text in photo)

8.3 For each of the following models, obtain the free response and the time constant, if any. b. 12 5x-15, x(0)-3 c. 13 +6x-0,x(0)-2 Plot the free response of the models solved in question 8.3 a, b, c, and d. In each response of the models analyze and provide short observation analysis within your MATLAB scripts as a comment. Make sure you properly label all plots with correct axis, title, with grid