Use Polar Coordinates to Find the Limit of the Function $$f ( x , y ) = \frac { x + y } { x ^ { 2 } + y + y ^ { 2 } }$$

Multiple Choice

Use polar coordinates to find the limit of the function as (x, y) approaches (0, 0) .
- $$f ( x , y ) = \frac { x + y } { x ^ { 2 } + y + y ^ { 2 } }$$

A) 2
B) 0
C) 1
D) No limit