$f ( x ) = \sqrt { 3 x } ; g ( x ) = - 2 x + 7$

Multiple Choice

$f ( x ) = \sqrt { 3 x } ; g ( x ) = - 2 x + 7$
Find $( f \cdot g ) ( x )$

A) $( f \cdot g ) ( x ) = \sqrt { 3 x } + 14 x$
B) $( f \cdot g ) ( x ) = - 2 x \sqrt { 3 x } + 7 \sqrt { 3 x }$
C) $( f \cdot g ) ( x ) = - 6 x + 7 \sqrt { 3 x }$
D) $( f \cdot g ) ( x ) = - 6 x ^ { 2 } + 21$