Use the following problem statement to answer questions $1-5.$

A manager wants to solve the linear programming model below using the graphical solution method. The graph of the model is shown in the figure. Round to two decimal places.

Max $Z=5x1+2x2,$

$C1$:$2x1+2x218$ Resource $1$

$C2$:$2x1+x212$ Resource $2$

$C3$:$x14$ Resource $3$

$C4$:$x1,x20,$

Which line in the figure is represented by the constraint $21+2218?$

Question $3$

Which of the following resources will be completely used at the optimal solution?

Resource $2$

Resource $1$

Question $4$

Which line in the figure is represented by the constraint $x_{1}4?$

DF

AG

Question $5$

Which line in the figure is represented by the constraint $2x_1+x_{2}12?$

AG

$BH$

What's the answer to question $3,4$ and $5$