If x = 2 then f(x) = 8/15 and f(1/x) = -8/15 which is equal to -f(x)is the reasoning for what question and answer pair?
Q: If f(x) = x^3/(x^4 - 1), what is f(1/x) in terms of f(x)?
Options:
(A) -f(x) 
(B) f(x) 
(C) 2*f(x) 
(D) 1/f(x) 
(E) 2/f(x) 
A: (A)