Question $2$

Consider the following linear programming

MaxZ$=4x_1+5x_2$

$\{\begin{array}{c}{x}_{1}1\end{array}$

$x_1+x_{2}2$

$x_{1}0,x_{2}0$

The active constraint$($s$)$ is $($are$)$

A$.x_{1}1$ and $x_1+x_{2}2$

B$.x_{1}1$

C$.x_1+x_{2}2$

D$.x_{1}0$ and $x_{2}0$

A

B

C

D