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

question 308

Multiple Choice

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

• A) All \(( x , y )\) such that \(x \neq y\)
• B) All \(( x , y ) \neq ( 0,0 )\)
• C) All \(( x , y )\)
• D) All \(( x , y )\) such that \(x \neq - y\)

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