topic is fuzzy logic

1. Given sets A = {1, 4, 5, 7) and B = {2,4,6,7,9) (15 points) Please determine the following characteristic functions of union, intersection, and complement operations, and draw their sketches: X AUB (X), XANB(x), and x Aug (x) 2. Describe differences between a characteristic function of crisp set and a membership function of fuzzy set. (5 points) 3. Given fuzzy membership function MA(e) = { (x-1) (-2+3) 0 x[1,2] 36[2,3] other wise MACA 2 3 X Please determine its complement and draw its sketch (15 points)