Given Functions F and G, Perform the Indicated Operations $$f ( x ) = 4 x - 3 , \quad g ( x ) = 3 x - 7$$

Multiple Choice

Given functions f and g, perform the indicated operations.
- $$f ( x ) = 4 x - 3 , \quad g ( x ) = 3 x - 7$$
Find $\mathrm { fg }$ .

A) $12 x ^ { 2 } - 37 x + 21$
B) $12 x ^ { 2 } - 16 x + 21$
C) $7 x ^ { 2 } - 37 x - 10$
D) $12 x ^ { 2 } + 21$