Given f(x)=ln(x2−5x+6)f(x) = \ln(x^2 - 5x + 6)f(x)=ln(x2−5x+6), what is the domain of f(x)f(x)f(x)?
(−∞,6)(-\infty, 6)(−∞,6)
(0,∞)(0, \infty)(0,∞)
(−∞,2)∪(3,∞)(-\infty, 2) \cup (3, \infty)(−∞,2)∪(3,∞)
(2,3)(2, 3)(2,3)