1) For each of the following problems, -identify exclusions from the domain of each rational expression (1pt each) Perform the given operation and simplify your final answer (2pts each) -classify the exclusions as holes or vertical asymptotes and explain why you did. (2pts each) 3x 12 a) b) 4 -2x + 3x2-6x (x-4) (x+3) x2-9x+20 x2-9x+20 x-4 x2-6x+8 x2+2x-8 x2+x-12 3 2 C) 7. dj- (x-2) (x-4) (x+3)(x+2) 3x+1 (x+3)(x+5) (x+2)(x-4)