" Haximise "Z=x+y," subject to "x-y<=-1,-x+y<=0,x,y>=0

Show that the minimum of Z occurs at more than two points: Maximise Z=x+y subject to x-y =0

Show that the minimum of Z occurs at more than two points. Maximise Z = x + y, subject to x-y le -1, -x+y le 0, x, y ge 0

Maximise z = x + y, subject to x - y le -1 , -x + y le 0, x , y ge 0 .

Maximise Z = x+y , subject to x - y le -1, - x + y le 0, x, y ge 0 .

Maximise Z= x+y , subject to x-y le -1, -x +y le 0, x, y ge 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 "

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=5x+10 y subject to x+2y le 120 , x+y ge 60 , x-2y ge 0, x , y ge 0

Maximise Z=x+y subject to x-yle1, -x+yle0, x,y ge0

Maximise Z = –x + y subject to: x – y le –1, –x + y le 0, x, y ge 0