At What Points Is the Given Function Continuous?
- $$f ( x , y ) = e ^ { x + y }$$

Multiple Choice

At what points is the given function continuous?
- $$f ( x , y ) = e ^ { x + y }$$

A) $\operatorname { All } ( x , y ) \neq ( 0,0 )$
B) All $( x , y )$
C) All $( x , y )$ satisfying $x + y \geq 0$
D) All (x,y) in the first quadrant