At What Points Is the Given Function Continuous?
- $$f ( x , y , z ) = \frac { 1 } { | x - 3 | + | y - 4 | + | z - 5 | }$$

Multiple Choice

At what points is the given function continuous?
- $$f ( x , y , z ) = \frac { 1 } { | x - 3 | + | y - 4 | + | z - 5 | }$$

A) All $( x , y , z ) \neq ( 3,4,5 )$
B) All $( x , y , z )$
C) All $( x , y , z ) \neq ( 0,0,0 )$
D) All $( x , y , z ) \neq \pm ( 3,4,5 )$