Two students, Amy and Jeff, disagree about an analog system function given by Ha(s) = s. Sensible Jeff claims the system has a zero at s = 0. Rebellious Amy, however, notes that the system function...

Two students, Amy and Jeff, disagree about an analog system function given by Ha(s) = s. Sensible Jeff claims the system has a zero at s = 0. Rebellious Amy, however, notes that the system function can be rewritten as
 and claims that this implies a system pole at s = ∞. Who is correct? Why? What are the poles and zeros of the system