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.

$]=[5x1+2x2,][18,$ Resource $1][12,$ Resource $2][4,$ Resource $3][0,$

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

AG

BH

DF

Question $2$

What is the optimal solution for the model?

$(3,6)$

$(6,0)$