\[\left\{ \begin{matrix}x^{2} - y - 1 \leq 0 \\xy - 2 \geq 0\ \ \ \ \ \ \ \ \\\end{matrix} \right.\ \Longrightarrow \left\{ \begin{matrix}y \geq x^{2} - 1 \\y \geq \frac{2}{x}\text{\ \ \ \ \ \ \ \ \ \ } \\\end{matrix} \right.\ \]