Give the Domain and Range of the Relation $f ( - x )$

Multiple Choice

Give the domain and range of the relation.
-Find $f ( - x )$ when $f ( x ) = 3 x ^ { 2 } - 2 x + 5$

A) $3 x ^ { 2 } + 2 x + 5$
B) $- 3 x ^ { 2 } + 2 x - 5$
C) $- 3 x ^ { 2 } + 2 x + 5$
D) $3 x ^ { 2 } + 2 x - 5$