(Solved):
Express the signals shown in Figure 1 below in terms of unit step functions. A. \( x(t)=u(t+1)+2 u ...
Express the signals shown in Figure 1 below in terms of unit step functions. A. \( x(t)=u(t+1)+2 u(t)-u(t-2)-u(t-3) \) B. \( x(t)=u(t+1)+2 u(t)-u(t-1)-u(t-3) \) C. \( x(t)=u(t+1)+3 u(t-1)-u(t-2)-u(t-3) \) D. \( x(t)=u(t+1)+3 u(t)+2 u(t-1)-u(t-3) \)