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

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

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

Minimise and Maximise Z = 5x + 10y subject to x + 2y le 120, x + y ge 60, x - 2y ge 0, x, y ge 0 .

Minimise and Maximise Z=x+2y Subject to x+2yge100,2x-yle0,2x+yle200,x,yge0 .

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

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

" Minimise "Z=4x+8y" subject to "200x+100y>=4000,x+2y>=50,40x+40y>=1400,x>=0,y>=0" minimum value of "z" is "

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

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

Solve the following problem graphically: Minimise and Maximise z = 2x + 6y Subject to the constraints: x + 2y le 10 , x + y le 7 , xge 2 , x ge 0 , y ge 0