X-6x-27 Let f(x) = . Find a) lim f(x), b) lim f(x), and c) lim f(x). x - 9 X-+9 X-+0 X- -3 a) Select the correct choice below and, if necessary, fill in the answer box to complete your choice O A. lim f(x) = (Simplify your answer.) x-+9 O B. The limit does not exist. b) Select the correct choice below and, if necessary, fill in the answer box to complete your choice. O A. lim f(x) = (Simplify your answer.) X-0 O B. The limit does not exist. c) Select the correct choice below and, if necessary, fill in the answer box to complete your choice O A. lim f(x) = (Simplify your answer.) X- - 3 O B. The limit does not exist