The Fourier transform X(w) of a signal x(t) appears in the figure below. The signal a 15 sampled with an ideal impulse train dr(t) to form a new signal (t) = x(t)8(t). The Fourier transform of dr(t) is 4-(w - 4k). Sketch the Fourier transform of (t). -4 -3 -2 -1 X(w) 1 ^^ 1 2 3 W