First complete Laplace Transform of the following function by hand, then use the symbolic tool in MATLAB to obtain Laplace transform, lastly graph both results in time domain (t) and frequency domain (s). (1) f(t) = -3te-t (2) f(t) = -5cos(3t) (3) f(t) = tsin(3t) (4) f(t) = 4 + 7t+t² (5) f(t) = sin(3t) + 2 cos(3t) + etsin (3t) (6) f(t) = te-²t + 2tcos (t)