Evaluate
-If $f ( x ) = \sqrt [ 3 ] { x - 1 }$

Evaluate.
-If $f ( x ) = \sqrt [ 3 ] { x - 1 }$ , find the value of $f ( - 1 )$

A) $- 2$
B) 2
C) $\sqrt [ 3 ] { 2 }$
D) $\sqrt [ 3 ] { - 2 }$