1- Find F(s) for = A[ a cos(ßt) + b sin(ßt)] u(t) and plot and the poles and zeros in the S- plane
2- find f(s) for = 2d(t) +4e^-2t cos(2t) u(t) and plot and the poles and zeros in the S- plane
3- find f(s) for = 10[3-6t-4e^-2t] u(t) and plot and the poles and zeros in the S- plane
4- find f(s) for = [10e^-3t - 5e^-5t ] u(t) and plot and the poles and zeros in the S- plane