Which function is odd?
f(x)=x2f(x) = x^2f(x)=x2
f(x)=x3f(x) = x^3f(x)=x3
f(x)=∣x∣f(x) = |x|f(x)=∣x∣
f(x)=x+1f(x) = x + 1f(x)=x+1