已知命题p:x1,x2∈R,(f(x2)-f(x1))(x2-x1)≥0,则是A.x1,x2∈R,(f(x2)-f(x1))(x2-x1)≤0B.x1,x2∈R,(f(x2)-f(x1))(x2-x1

题目简介

已知命题p:x1,x2∈R,(f(x2)-f(x1))(x2-x1)≥0,则是A.x1,x2∈R,(f(x2)-f(x1))(x2-x1)≤0B.x1,x2∈R,(f(x2)-f(x1))(x2-x1

题目详情

已知命题p:x1,x2∈R,(f(x2)-f(x1))(x2-x1)≥0,则是  
A.x1,x2∈R,(f(x2)-f(x1))(x2-x1)≤0  
B.x1,x2∈R,(f(x2)-f(x1))(x2-x1)≤0  
C.x1,x2∈R,(f(x2)-f(x1))(x2-x1)<0  
D.x1,x2∈R,(f(x2)-f(x1))(x2-x1)<0
题型:单选题难度:中档来源:高考真题

答案

C

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