Consider the rational function f(x) = 2x + 11x+5 x2 + x -20 to answer the following questions. x - -1 A. Find lim [f (x) . 3 cos(x)]. Show your analysis using the properties of limits. [2 points] B. Find the vertical asymptotes, if any. Use limits to justify your answer. [2 points] C. State any horizontal asymptotes and use limits to justify your answer. [2 points] D. Find lim 5x2+ 3x What does your result say about the existence of any asymptotic X- 0 Vx2 - 4x behavior as x - co? Show all work and justify your reasoning. [3 points]