The state space representation of the system is:
X_dot = [[-1, 0], [0, -3]]X + [[1], [1]]u(t)
y = [1, -1]X
The transfer function of the system is:
(a) (s + 1) / (s^2 + 4s + 3)
(b) 2 / (s^2 + 4s + 3)
(c) s / (s^2 + 4s + 3)
(d) (s + 3) / (s^2 + 4s + 3)