The function g/f is (x-2)/(3x-6). This is valid for all real numbers except x = 2, because when x = 2 we have (x-2)/(3x-6) = 0/0, which is undefined. So the domain is all numbers except x = 2.
The function g/f is (x-2)/(3x-6). This is valid for all real numbers except x = 2, because when x = 2 we have (x-2)/(3x-6) = 0/0, which is undefined. So the domain is all numbers except x = 2.