定义在R上的函数f(x)满足，当x>2时，f(x)单调递增，如果x1＋x2<4，且(x1－2)(x2－2)<0，则f(x1)＋f(x2)的值(　　)_刷题宝

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定义在R上的函数f(x)满足

，当x>2时，f(x)单调递增，如果x₁＋x₂<4，且(x₁－2)(x₂－2)<0，则f(x₁)＋f(x₂)的值(　　)

A：恒小于0

B：恒大于0

C：可能为0

D：可正可负

上一题下一题 0.0难度选择题更新时间:2014-07-31 02:34:18

答案(点此获取答案解析）

A

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