已知函数f(x)=x+2x,g(x)=x+lnx,h(x)=x3+x-2的零点分
题型:选择题
问题:
已知函数f(x)=x+2x,g(x)=x+lnx,h(x)=x3+x-2的零点分别为x1,x2,x3,则( )
A.x3<x1<x2
B.x1<x3<x2
C.x2<x3<x1
D.x1<x2<x3
已知函数f(x)=x+2x,g(x)=x+lnx,h(x)=x3+x-2的零点分别为x1,x2,x3,则( )
A.x3<x1<x2
B.x1<x3<x2
C.x2<x3<x1
D.x1<x2<x3