Show all work for full credit. DO NOT WRITE INSERTS WITHIN THE PROBLEM. Use the back or a new sheet of paper.
Without solving the differential equation, provide an argument in your own words as to why the functions plotted below are solutions to y'' + 2y' + 4y = 3 - 3x and not to y'' + 2y' + 4y = 3e^2x or y'' + 2y' + 4y = sin(2pi/9 x), for example.