Summarize the pertinent information obtained by applying the graphing strategy and sketch the graph of y f(x). fx)(x-9)(2-18x-162) Select the correct choice below and, if necessary, fill in the answer box to complete your choice. O A. The domain of f is (Type your answer in interval notation. Type an exact answer, using radicals as needed. Use a comma to separate answers as needed.) O B. The domain of f is empty. Select the correct choice below and, if necessary, fill in the answer box to complete your choice. O A. The x-intercept(s) of f is/are x= (Type an exact answer, using radicals as needed. Use a comma to separate answers as needed.) O B. The function f has no x-intercepts Select the correct choice below and, if necessary, fill in the answer box to complete your choice. O A. The y-intercept of f is y (Type an exact answer, using radicals as needed. Use a comma to separate answers as needed.) O B. The function f has no y-intercept. Select the correct choice below and, if necessary, fill in the answer box to complete your choice O A. The function f is increasing on the subinterval(s) (Type your answer in interval notation. Use a comma to separate answers as needed.) O B. The function f is never increasing Select the correct choice below and, if necessary, fill in the answer box to complete your choice. O A. The function f is decreasing on the subinterval(s) (Type your answer in interval notation. Use a comma to separate answers as needed.) O B. The function fis never decreasing. Summarize the pertinent information obtained by applying the graphing strategy and sketch the graph of y f(x) fx)(x-9) (x-18x-162) O A. The function f has a local maximum at x (Use a comma to separate answers as needed.) O B. The function fhas no local maximum. Select the correct choice below and, if necessary, fill in the answer box to complete your choice O A. The function f has a local minimum at x (Use a comma to separate answers as needed.) O B. The function fhas no local minimum Select the correct choice below and, if necessary, fill in the answer box to complete your choice O A. The function f is concave upward on the subinterval(s) (Type your answer in interval notation. Use a comma to separate answers as needed.) O B. The function f is never concave upward Select the correct choice below and, if necessary, fill in the answer box to complete your choice. O A. The function f is concave downward on the subinterval(s) (Type your answer in interval notation. Use a comma to separate answers as needed.) O B. The function f is never concave downward. Select the correct choice below and, if necessary, fill in the answer box to complete your choice. O A. The function f has an inflection point at x (Use a comma to separate answers as needed.)