use the function f(x) = −16x2 + 22x + 3 to answer the questions. part a: completely factor f(x). (2 points) part b: what are the x-intercepts of the graph of f(x)? show your work. (2 points) part c: describe the end behavior of the graph of f(x). explain. (2 points) part d: what are the steps you would use to graph f(x)? justify that you can use the answers obtained in part b and part c to draw the graph. (4 points)