已知命题p:x1,x2∈R,(f(x2)-f(x1))(x2-x1)≥0,则p是( )A.x1,x2∈R,(...
问题详情:已知命题p:x1,x2∈R,(f(x2)-f(x1))(x2-x1)≥0,则p是()A.x1,x2∈R,(f(x2)-f(x1))(x2-x1)≤0B.x1,x2∈R,(f(x2)-f(x1))(x2-x1)≤0C.x1,x2∈R,(f(x2)-f(x1))(x2-x1)<0D.x1,x2∈R,(f(x2)-f(x1))(x2-x1)<0【回答】C知识点:常用逻辑用语题型:选择...