Match the following closed-loop transfer functions to the graphical responses to a unit impulse (delta function) input below. You do not necessarily have to explicitly solve for the response as a function of time. 3e-1.5s 1 1 0.3(S-1) 3 i. ii. 111. 5s s+9 s+1 -3s+1 s+2s+5 0.8 0.6 0.4 0.2 -02 -0.4 1 2 3 Which of them represent(s) a stable response? andino iv. 4 time 6