I. II. III. For each of the signals given below; (a) 8(t-8) (b) e-atu(t), a is...

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I. II. III. For each of the signals given below; (a) 8(t-8) (b) e-atu(t), a is real and positive (c) e (-1+12)tu(t) Find the Fourier transform Sketch the magnitude as a function of frequency (include both positive and negative frequencies) Sketch the phase as a function of frequency (include both positive and negative frequencies). I. II. III. For each of the signals given below; (a) 8(t-8) (b) e-atu(t), a is real and positive (c) e (-1+12)tu(t) Find the Fourier transform Sketch the magnitude as a function of frequency (include both positive and negative frequencies) Sketch the phase as a function of frequency (include both positive and negative frequencies).