19. Given: f (x) = -2x+1 f'(x) = 2+8x-9 50 x+4 (x+4) 2 & f "( x ) = (x+4)3, determine (if applicable): The equation(s) of the vertical, horizontal and/or slant asymptotes. Don't forget the behaviours of the graph near the asymptotes. [4 Marks] ii) The x and y intercepts [2 Marks] W iii) The intervals of increase and decrease & maximum and minimum values. [4 Marks] iv) The intervals of concavity & point(s) of inflection [3 Marks] V) Sketch the curve on the graph provided: [2 Marks]