Find the Domain of the Composite Function F G $$f ( x ) = 2 x + 12 ; g ( x ) = \sqrt { x }$$

Multiple Choice

Find the domain of the composite function f g. Write the domain in interval notation.
- $$f ( x ) = 2 x + 12 ; g ( x ) = \sqrt { x }$$

A) $[ - 6 , \infty )$
B) $[ 0 , \infty )$
C) $( - \infty , - 6 ] \cup [ 0 , \infty )$
D) $( - \infty , \infty )$