Which statement best describes the function below?
f(x)=2x^3+2x^2-x
AIt is not a function
BIt is a many-to-one function
CIt fails the vertical line test
DIt is a one-to-one function
f(x)=2x^3+2x^2-x
AIt is not a function
BIt is a many-to-one function
CIt fails the vertical line test
DIt is a one-to-one function