(a) x(t) = d(t+1)+8(t) +8(t−1) h(t) (t-1)-8(t+1) (b)x(t) = u(t)u(t-2) h(t) = e−(u(t) = u(t-1)) (c) x(t) = u(t) 2u(t-1)+u(t-2) h(t)=e(u(t)-u(t-1)) (d) x(t) = u(t)u(t-1) h(t) = e²tu(2-t)