Find the Specified Domain $( f + g ) ( x )$

Multiple Choice

Find the specified domain.
-Find the domain of $( f + g ) ( x )$ when $f ( x ) = \sqrt { 6 x - 2 }$ and $g ( x ) = \frac { 1 } { x }$

A) $\left[ - \frac { 1 } { 3 } , \infty \right)$
B) $\left[ \frac { 1 } { 3 } , \infty \right]$
C) $( - \infty , 0 ) \cup ( 0 , \infty )$
D) $\left[ - \frac { 1 } { 3 } , 0 \right] \cup ( 0 , \infty )$