Factor F(x) into Linear Factors Given That K Is a Zero

Multiple Choice

Factor f(x) into linear factors given that k is a zero of f(x) .
- $$f ( x ) = 4 x ^ { 3 } + 24 x ^ { 2 } + 17 x - 15 ; k = \frac { 1 } { 2 }$$

A) $( 2 x + 1 ) ( 2 x + 3 ) ( x - 5 )$
B) $( 2 x + 1 ) ( 2 x + 1 ) ( x - 15 )$
C) $( 2 x - 1 ) ( 2 x + 3 ) ( x + 5 )$
D) $( 2 x - 1 ) ( 2 x - 3 ) ( x - 5 )$