Answer Happy

a) [15 points] Let f(t) represents the output of an industrial system in time domain, and F(s) be its Laplace transform. Find the Laplace Transform F(s). i) [5 points] f(t) = Acos(2t) - Be-7t + Cu(t), ii) [10 points] f(t)=-7 t² u(t-D) Where A=-40, B=-13, C=75, D=6 t≥ 0