Question: If f(x) = (x - 1) / (x 2 - 9), then the domain of f is given by the interval A. (1 , +)

If f(x) = (x - 1) / (x2- 9), then the domain of f is given by the interval

A. (1 , +) B. (-3 , +3)
C. [1 , 3)U(3 , +)

D. (-3 , 3)U(3 , +)

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