what are the active constraints?Question $4$

Consider the following integer programming

MaxZ$=2x_1+3x_2$

$x_1+2x_{2}4$

$2x_1+x_{2}5$

dots

$x_{1}0,x_{2}0,$ and $x_1,x_2$ are integers

Which is the following true?

A$.x_1+2x_{2}4$ and $2x_1+x_{2}5$ are the active constraints

B$.$ There is no active constraint

C$.x_{1}0$ is the active constraint

D$.x_{1}0$ and $2x_1+x_{2}5$ are the active constraints

A

B

C

D