6. For the function: f(x) = 2+x-x2 x - (x - 1) 2 F' (x ) = ( x-1)3 f" (x) =- -2x +14 (x - 1) 4 a) Find the domain. b) Find vertical and horizontal asymptotes. Examine vertical asymptote on either side of the discontinuity. c) Find all intercepts. d) Find critical point(s). e) Find any local extrema