Describe the vertical asymptote(s) and hole(s) for the graph of y = x-6/x^2+5x+6
a. asymptotes: x = –2, –3 and hole: x = 6
b. asymptotes: x = –2, –3 and no holes
c. asymptotes: x = 2, –3 and hole: x = 6
d. asymptotes: x = –2, 3 and no holes