The output y(t) of a system is related to its input x(t) as
y(t) = ${\displaystyle \int^t_0}$x(t – 2)dt,
where, x(t) =0 and y(t) = 0 for t $\le$ 0. The transfer function of the system is
- $\frac{1}{s}$
- $\frac{(1-e^{-2s})}{s}$
- $\frac {e^{-2s}}{s}$
- $\frac{1}{s} – e^{-2s}$