For $F : \mathbb{R} o \mathbb{R}$, $F(x) = x^3$. Which of the following is correct?

Question

For $F : \mathbb{R} 	o \mathbb{R}$, $F(x) = x^3$. Which of the following is correct?

Accepted Answer

$F$ is one-one and onto

Answer

$F$ is one-one but not onto

Answer

$F$ is onto but not one-one

Answer

$F$ is neither one-one nor onto

For F:R→RF : \mathbb{R} \to \mathbb{R}F:R→R, F(x)=x3F(x) = x^3F(x)=x3. Which of the following is correct?