Find the Vertex of the Graph of the Function $$f ( x ) = 6 x ^ { 2 } - 84 x + 304$$

Multiple Choice

Find the vertex of the graph of the function.
- $$f ( x ) = 6 x ^ { 2 } - 84 x + 304$$

A) $( 10,7 )$
B) $( 7,0 )$
C) $( 10,0 )$
D) $( 7,10 )$