For each function below, determine whether it is Even, Odd, or Neither

`f(x)=3 x^3+x quad` Select an answer Odd Even Neither

`g(x)=3 - x^2 quad` Select an answer Odd Even Neither

`h(x)=x^3 + 3 quad` Select an answer Odd Even Neither

Box 1: Select the best answer

Box 2: Select the best answer

Box 3: Select the best answer