If f(x) = x^4/(x^4 - 1), what is f(1/x) in terms of f(x)?  Choose one:  A) f(x)  B) 1/-f(x)  C) -2/-f(x)  D) -3/-f(x)  E) -f(x)
If x = 2 then f(x) = 16/15 and f(1/x) = -16/15 which is equal to -f(x)   answer -f(x)
<result>E</result>
If f(x) = x^4/(x^4 - 1), what is f(1/x) in terms of f(x)?