Use analytical methods and/or a graphing utility to identify the vertical asymptotes (if any) of the function. ex h(x) = ( x + 2) 3 . . . Select the correct choice below and fill in any answer boxes in your choice. O A. The vertical asymptote(s) is/are at x = (Use commas to separate answers as needed.) O B. There are no vertical asymptotes.x2 - 9x + 18 Let f(x) = Complete parts (a) through (c) below. X 2 -3X a. Analyze lim f(x), lim f(x), lim f(x), and lim f(x). X-0- x->0+ X -3 X -3 lim f(x) = (Simplify your answer.) X-0Find all vertical asymptotes, x = a, of the following function. For each value of a, evaluate lim f(x), lim f(x), and lim f(x). Use co or - co when appropriate. X-a X-a x-a x2 - 9x + 20 f(x) = 2 - 8x + 16 . . . Select the correct choice below, and fill in the answer box if necessary. O A. The vertical asymptote is x = . The limits at this vertical asymptote are lim f(x) = lim f(x) = and lim f(x) = x->at x-a X-a O B. The vertical asymptote is x = . The limits at this vertical asymptote are lim f(x) = lim f(x) = and lim f(x) does not exist and is neither co nor - co. X-a x-a x- a O C. There is no vertical asymptote