For a particular LTI sustem,when the input is the unit step, x1[n] = u[n], the correspondi...

For a particular LTI sustem,when the input is the unit step, x1[n] = u[n], the corresponding output is

y1[n] = δ [n] + 2 δ [n - 1] – δ [n - 2] =

Determine the output when the input to the LTI system is x2[n] = 3u[n] — 2u[n — 4], Give your answer as a formula expressing y2[n] in terms of known sequences, or give a list of values for —∞<72<∞.