当x,y满足约束条件x≥0y≤x2x+y+k≤0(k
当x,y满足约束条件x≥0y≤x2x+y+k≤0(k
当实数x、y满足约束条件x≥0y≤x2x+y+k≤0 (k为常数)时,z=x+3y有最大值为12,则实数k的值
已知点P(x,y)满足条件x≥0y≤x2x+y+k≤0
已知实数x,y满足约束条件x≥0y≤x2x+y-9≤0,则z=x+3y的最大值等于( )
已知点P(x,y)满足条件x≥0y≤x2x+y+k≤0(k为常数),若z=x+3y的最大值为8,则k=( )
已知x,y满足约束条件x≥0,y≤x,2x+y≤0(k为常数),若目标函数z=x+3y的最大值为12,则k为?
若变量x,y满足约束条件x+y≤2x≥1y≥0
设变量x,y满足约束条件x−y≥0x+y≤1x+2y≥1
.若x、y满足约束条件 x - y +1≥0
当x、y满足x>=0,y>=x,2x+y+k
已知x,y满足约束条件x−y+5≥0x+y≥0x≤3
若实数x,y满足约束条件x-y≥0,x+y≥0,2x+y≤1,则y/(x+1)的最大值是多少,