0 0 votes Unit step response of a linear time invariant $(LTI)$ system is given by $y(t) = (1 – e^{-2t})u(t)$. Assuming zero initial condition, the transfer function of the system is $\frac{1}{s+1}$ $\frac{2}{(s+1)(s+2)}$ $\frac{1}{s+2}$ $\frac{2}{s+2}$ Signals and Systems gate2018-in signals-and-systems numerical-answers + – gatecse 2.7k points answer 0 reply