For which of the following functions does f(−u)=−f(u) for all real number values of x?
Select:
A) u^8	B) −u^6	C) u^5	D) u^9/(u^5+1)	E) 1/(x^2+1)
f(-u) = (-u)^5 = -u*u^4   -f(u) = -u^5   u^5
<result>C</result>
For which of the following functions does f(−u)=−f(u) for all real number values of x?