Given x (t) = tu (t). Find the Fourier transform of d² dt² O Fourier transform does not exist. O - O 0-1/1/2 O 3 42 3 4 x (3t). dy(t) dt Given the LCCDE + 2y(t) = x(t) + response, h(t). OS(t)-e-2tu(t) O-8(t) + e-2tu(t) O 8(t) + e-2tu(t) O 8(t) - e²tu(t) 2 dx (t) dt 1 find the impulse