Afunction is shown below: f(x) = x3 + 2x2 - x - 2 part a: what are the factors of f(x)? show your work. (3 points) part b: what are the zeros of f(x)? show your work. (2 points) part c: what are the steps you would follow to graph f(x)? describe the end behavior of the graph of f(x). (5 points)