e 1-772-9 (2) The response of a linear, time-invariant, causal system to the input w: (t) is n (t) = e +1(t). The response to a second input signal u2(t) is graft) sin4ta,(t)-e--1,(t). Compute the response to the signal s(t)=3(t)+(-3)+5(f+2). Note that a,(t) denotes a unit step function. =