Evaluate F(11) If $f ( x ) = \frac { | x | } { x }$

Evaluate f(11) if $f ( x ) = \frac { | x | } { x }$ .

A) f(11) = -1
B) f(11) = 2
C) f(11) = 0
D) f(11) = 1
E) f(11) = 3