2. Given that x(t) has Fourier transform X(jw), express the Fourier transform of the signals listed below in terms of X (jw) (make use of the properties of the Fourier transform). (a) x1(t)=x(1t)+x(-1-t) (b) x2(t) = x(3t- 6) (c) x3(t) = x(t-1)