Evaluate the Function for the Indicated Value, Then Simplify $f ( x ) = 2 x ^ { 2 } - 4 x ;$

Multiple Choice

Evaluate the function for the indicated value, then simplify.
- $f ( x ) = 2 x ^ { 2 } - 4 x ;$ find $f ( 8 )$

A) $- 16$
B) 124
C) 96
D) 224