3.2-1 Sketch the following functions: (a) (1/2); (b) A(3w/100); (c) (-10/8); (d) sinc (w//5); (e) sinc [(w 10x)/5]; (f) sinc (1/5) П(t/10). Hint: g() is g() right-shifted by a. 3.2-2 From definition (3.9a), show that the Fourier transform of rect (-5) is sinc (лf)e-j10xf 3.2-3 From definition (3.9b), show that the inverse Fourier transform of rect [(2лf - 10)/2] is sinc (1) 10