Evaluate $f ( 51 )$ , If Possible $f ( x ) = \sqrt [ 3 ] { 7 x - 14 }$

Multiple Choice

Evaluate $f ( 51 )$ , if possible. Round the answer to the nearest whole number. $f ( x ) = \sqrt [ 3 ] { 7 x - 14 }$

A) 3
B) 7
C) 6
D) 8
E) not a real number