At What Points Is the Given Function Continuous?
-F(x, Y) $\neq$

Multiple Choice

At what points is the given function continuous?
-f(x, y) =

A) All (x, y) such that x $\neq$ and x $\neq$ -2
B) All (x, y)
C) All (x, y) such that x $\neq$ 0
D) All (x, y) satisfying x - y $\neq$ 0