Answer each of the following questions with clear solutions and word explanations where they are appropriate. 1. a) Completely factor and find the zeros of the function f (x) = 6x4 - 11x3 - 51x2 + 99x - 27 b) Describe the behaviour of the polynomial to the left and the right of the graph. c) Find the y-intercept for the graph. 2. Graph the polynomial function f (x) - -(x +1)(x -1) (x - 3)