`x + 2y le 100 , 2x + y le 200 , x ge 0 , y ge 0 `

Graphically maximize the objective function Z = x + 2y subject to constraints x + 2y ge 100, 2x - y le 0, 2x + y le 200, x ge 0, y ge 0

x + 2y le 10, x + y ge 1, x-y le 0, x ge 0, yge 0

x + 2y le 10, x + y ge 1, x-y le 0, x ge 0, yge 0

Solve the following system of linear inequalities graphically. x + 2y le 10, x+y ge 1, x-y le 0 , x ge 0 , y ge 0

x + 2y le 40, 2x + y le 40, x ge 0, y ge 0

x + 2y le 40, 2x + y le 40, x ge 0, y ge 0

Z= 4x + 7y x + 2y le 20, x + y le 15, x ge 0, y ge 0 .

Solve the following system of inequalities graphically x + 5y le 25 , 2x + 2y ge 2 , 2x - 2y le 0 , x ge 0 , y ge 0

x + y le 10, 4x + 3y le 24, x ge , x ge 0, y ge 0