Find All Rational Zeros and Factor F(x) $$f ( x ) = x ^ { 3 } - 7 x ^ { 2 } - x + 7$$

Multiple Choice

Find all rational zeros and factor f(x) .
- $$f ( x ) = x ^ { 3 } - 7 x ^ { 2 } - x + 7$$

A) $1 , - 1 , - 8 ; f ( x ) = ( x - 1 ) ( x + 1 ) ( x + 8 )$
B) $1 , - 1,7 ; f ( x ) = ( x - 1 ) ( x + 1 ) ( x - 7 )$
C) $1 , - 2,9 ; f ( x ) = ( x - 1 ) ( x + 2 ) ( x - 9 )$
D) $1 , - 1 , - 7 ; f ( x ) = ( x - 1 ) ( x + 1 ) ( x + 7 )$