Given $f ( x ) = 2 + x ^ { 2 }$

Multiple Choice

Given $f ( x ) = 2 + x ^ { 2 }$ and $g ( x ) = \sqrt { x - 4 }$ , find $( f \circ g ) ( 4 )$

A) $( f \circ g ) ( 4 ) = 2$
B) $( f \circ g ) ( 4 ) = 4$
C) $( f \circ g ) ( 4 ) = - 2$
D) $( f \circ g ) ( 4 ) = 0$
E) $( f \circ g ) ( 4 ) = 1$