If $f$ And $g$ Are Continuous Functions With $f ( 9 ) = 6$

Multiple Choice

If $f$ and $g$ are continuous functions with $f ( 9 ) = 6$ and $\lim _ { x \rightarrow 9 } [ 2 f ( x ) - g ( x ) ] = 9$ , find $g ( 9 )$ .

A) $g ( 9 ) = 21$
B) $g ( 9 ) = 15$
C) $g ( 9 ) = 12$
D) $g ( 9 ) = 24$
E) $g ( 9 ) = 3$