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PART B: COMMUNICATION 5. For the function: x+3 f (x ) = - (x2 - 4) f' (x ) = - -x2 - 6x - 4 ( x2 - 4) 2 f"(x) = 2(x+9x2+ 12x +12) (2- 4)3 a) Find the domain. [1] b) Find vertical and horizontal asymptotes. Examine vertical asymptote on either side of the discontinuity. [3] c) Find all intercepts. [1] d) Find critical point(s). [1] e) Find any local extrema. [2] f) Find point(s) of inflection. [3] g) Sketch. Include labels for: intercepts, asymptotes, critical point(s), and point(s) of inflection. [4]