For the Given Functions F and G, Find the Requested $f ( x ) = x + 2 ; g ( x ) = 3 x + 1 \quad$

For the given functions f and g, find the requested function.
- $f ( x ) = x + 2 ; g ( x ) = 3 x + 1 \quad$ Find $( f + g ) ( x )$

A) $( f + g ) ( x ) = 7 x$
B) $( f + g ) ( x ) = 3 x + 3$
C) $( f + g ) ( x ) = 4 x + 3$
D) $( f + g ) ( x ) = 3 x ^ { 2 } + 7 x + 2$