请结合下图回答实验室制备气体的问题:
溶质的物质的量浓度/mol•L﹣1
溶液的密度/g•cm﹣3
硫酸
c1
ρ1
氨水
c2
ρ2
The restaurant is nice and the food is not bad. I still prefer eating at home.
如图,抛物线y=x2+1与双曲线y=kx的交点A的横坐标是1,则关于x的不等式-kx+x2+1<0的解集是( )