函数
满足对任意
都有
,则a的取值范围是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c30f30c1c704309a680389460e296704.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33bd24e647a626899a243a3f3984f90a.png)
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更新时间:2021-11-19 21:50:09
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【推荐1】定义新运算⊗:当m≥n时,m⊗n=m;当m<n时,m⊗n=n.设函数f(x)=[(2x⊗2)﹣(1⊗log2x)]•2x,则f(x)在(0,2)上值域为______ .
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【推荐2】设函数
定义域为
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【推荐1】已知
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【推荐2】已知函数
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【推荐3】已知定义在R上的函数
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解题方法
【推荐1】若
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解题方法
【推荐2】已知
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