The Graph Of $f ( x ) = x ^ { 3 } + 4 x ^ { 2 } - x - 4$

Multiple Choice

The graph of $f ( x ) = x ^ { 3 } + 4 x ^ { 2 } - x - 4$ is shown below. Use the graph to factor $f ( x )$ .

A) $f ( x ) = ( x + 4 ) ( x + 1 ) ( x - 1 )$
B) $f ( x ) = ( x - 4 ) ( x + 1 ) ( x + 4 )$
C) $f ( x ) = ( x - 4 ) ( x + 1 ) ( x - 1 )$
D) $f ( x ) = - ( x + 4 ) ( x + 1 ) ( x - 1 )$