The Laplace transform x(s) of a real valued absolutely integrable signal x(t) is known to have a pole at s = 2 which of the following statements is true about x(t)?
1
x(t) is two sided but may be of finite duration
2
x(t) is two sided and of infinite duration
3
x(t) is right sided (causal)
4
x(t) is left sided (anti-causal)