If f(x, y) = \(\frac{(\sqrt{(x - y)} - 2)}{((x - y) - 4)}\) when x - y ≥ 0 , x - y ≠ 4
0 when x - y = 4
1
f(x, y) is not Continuous on (0 , 0)
2
f(x, y) is continuous on 0
3
We cannot determined
4
f(x, y) depends on m where m is some constant