A function f is defined by f(x) = (x² − 9)/(x² − x − 6). Which of the following statements about f is true?
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A
f has a vertical asymptote at x = 3 and a hole at x = −2
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B
f has a hole at x = 3 and a vertical asymptote at x = −2
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C
f has vertical asymptotes at both x = 3 and x = −2
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D
f has holes at both x = 3 and x = −2