Find the Domain of the Function $f ( x , y ) = \sqrt { x - y ^ { 2 } }$

Multiple Choice

Find the domain of the function $f ( x , y ) = \sqrt { x - y ^ { 2 } }$ .

A) All points on or to the left of $x = y ^ { 2 }$

B) All points on or to the right of $x = y ^ { 2 }$
C) All points to the left of $x = y ^ { 2 }$
D) All points to the right of $x = y ^ { 2 }$
E) All points on or to the left of $x = 0$
F) All points on or to the right of $x = 0$

G) All points to the left of $x = 0$

H) All points in the $x y$ -plane