若实数对(x,y)满足约束条件x>0y≥x2x+y−3≤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( )
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
(2012•浙江模拟)已知实数x,y满足约束条件2x−y≤0x−3y+5≥0y≥1
若实数x,y满足约束条件x-y-2=0,2y-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,
设实数xy满足线性约束条件x+y≤3 x-y≥1 y≥0
.若x、y满足约束条件 x - y +1≥0
若变量x,y满足约束条件x+y≤2x≥1y≥0
已知x,y满足约束条件x−y+5≥0x+y≥0x≤3
已知点P(x,y)满足条件x≥0y≤x2x+y+k≤0
已知x,y满足约束条件x−y+5≥0x+y≥0x≤3,则z=x+2y的最小值为( )