Find the Value for the Function $f ( 2 x )$

Multiple Choice

Find the value for the function.
-Find $f ( 2 x )$ when $f ( x ) = - 2 x ^ { 2 } - 3 x + 1$

A) $- 8 x ^ { 2 } - 6 x + 1$
B) $- 8 x ^ { 2 } - 6 x + 2$
C) $- 4 x ^ { 2 } - 6 x + 2$
D) $- 4 x ^ { 2 } - 6 x + 1$