Question 350902
when x = 3, sqrt(2-x) = sqrt(-1) which is not a real number, so x = 3 can't be in the domain.


when x = 3, (2x^2) / (x-3) = (2x^2) / 0 which is not a real number, so x = 3 can't be in the domain.


square root of a negative number is not allowed.


division by 0 is not allowed.