Evaluate the Indicated Function For $f ( x ) = x ^ { 2 } + 2$

Multiple Choice

Evaluate the indicated function for $f ( x ) = x ^ { 2 } + 2$ and $g ( x ) = x - 6$ .​ $( f - g ) ( - 5 )$ ​ ​

A) 28
B) 38
C) -38
D) 125
E) 17