If \(x, y,\) and \(z\) are integers, is \(x + y^2 + 3z \geq 0 ?\)

[VJesus12]

If \(x, y,\) and \(z\) are integers, is \(x + y^2 + 3z \geq 0 ?\)

(1) \(y\geq 0\)

(2) \(0\leq x\) and \(0\leq z\)

[spoiler]OA=B[/spoiler]

Source: Princeton Review