Question: Solve using artificial variables.
Maximize z = 3X1 + 2x2
Subject to: X1 + x2= 5
4X1 + 2x2 ≥ 12
5X1 + 2x2 ≤ 16
X1≥0 + x2 ≥ 0
[A] Maximum is 13 for X1=3, X2=2
[B] Maximum is 14 for X1=4, X2=1
[C] Maximum is 12 for X1=2, X2=3
[D] Maximum is 15 for X1=5, X2=0