Vertices:	(0,0)		(0,6)		(6,0)
	Constraints	Objective Function: C=3x+4y
	x ≥ 0 y ≥ 0 x + y ≤ 6

Vertices:	(-5,4)		(5,8)		(5,4)
Constraints	Objective Function:  C=2x+5y
x ≥ 0 y ≥ 0 x + y ≤ 5

Vertices:	(1,8)		(1,2)		(5,2)
Constraints	Objective Function:  C=7x+3y
x ≥ 0 y ≥ 0 x + y ≤ 5

Vertices:	(0,8)		(0,4)		(6,8)
Constraints	Objective Function: C=4x+6y
x ≥ 0 y ≥ 0 x + y ≤ 5