4. Given the following transfer function: G(s) = 2(s + 0.5) * (e^(5s)) / (s + 2)(2s + 1)

Do the following: (a 10 pts.) Determine the gain, poles and zeros of G(s). (b 10 pts.) If the time-delay term is replaced by the 1/1 Pade approximation, repeat part (a).