[" Minimise and Maximise "z=-x+2y" subject to "x>=3,x+y>=5,x+2y>=6" ,"],[y>=0]

Show that the minimum of Z occurs at more than two points : Minimise and Maximise Z=5x+10y subject to x+2y =60,x-2y>=0,x,y>=0

Minimise and Maximise Z=x+2y subject to x+2yge100, yle0, x,yge0

Show that the minimum of Z occurs at more than two points: Minimise and Maximise Z=x+2y subject to x+2y>=100,2x-y =0

Maximise z=x+y subject to 2x+yle50, x+2y=40

Maximise Z=x+2y, subject to the constraints: x>=3,x+y>=5,x+2y>=6,y>=0

Minimise and Maximise Z=5x+10y subject to x+2yle12, x+yge6, x,yge0

Minimise and Maximise Z=5x+10y subject to x+2yle120, x+yge60, x,yge0

Solve the following problem graphically Minimise and Maximise , z=3x+9y Subject to the constraints x+3y =10,x =0,y>=0

Solve the following problem graphically: Minimise and Maximise z=2x+6y Subject to the constraints; x+2y =2, x>=0, y>=0

Minimise Z=x+2y subject to 2x+yge3, x+2yge6, x,y ge0