若实数x,y满足x+y+1≤0,x≥0.则y/(x-1)的取值范围

问题描述:

若实数x,y满足x+y+1≤0,x≥0.则y/(x-1)的取值范围

做一次函数图线,得到 y=-x-1,图片好像没传上来+QQ984294870 最后结果是-1<=y/(x-1)<0