Question

Let f(x)= 3x -6 and g(x) = x -2. Find f /g and its domain.

Answer 1

I get 3x-6/x-2
3(x-2)/x-2
3
but where i get lost is how do i get the domain

Answer 2

i get 3; all real numbers?

Answer 3

Can a number in the denominator be negative? (the answer is not all reals)