Find the Specific Function Value $f ( 3,6 )$ When $f ( x , y ) = \sqrt { 3 x + y ^ { 2 } }$

Multiple Choice

Find the specific function value.
-Find $f ( 3,6 )$ when $f ( x , y ) = \sqrt { 3 x + y ^ { 2 } }$ .

A) 10
B) $5 \sqrt { 3 }$
C) 9
D) $3 \sqrt { 5 }$