Find the Requested Value $$f ( x ) = 5 x ^ { 2 } - 4 , g ( x ) = x - 7$$

Multiple Choice

Find the requested value.
- $$f ( x ) = 5 x ^ { 2 } - 4 , g ( x ) = x - 7$$
Find $( f - g ) ( 4 )$ .

A) 79
B) 65
C) $- 80$
D) 87