Evaluate the Indicated Function For $f ( x ) = x ^ { 2 } + 3$

Multiple Choice

Evaluate the indicated function for $f ( x ) = x ^ { 2 } + 3$ and $g ( x ) = x - 4$ .​ $( f - g ) ( 3 t )$ ​ ​

A) $9 t ^ { 2 } + 3 t + 7$
B) $6 t + 7$
C) $9 t ^ { 2 } + 3 t - 7$
D) $9 t ^ { 2 } - 3 t - 7$
E) $9 t ^ { 2 } - 3 t + 7$