已知函数
满足
,则f(x)的增区间为____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f489944c900baf5b895c79283bce2074.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fb6df7cdacc950e00eaba270016799d.png)
更新时间:2020-01-09 23:24:06
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【推荐1】已知
,若
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,且
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________ .
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【推荐2】已知函数
的图象与y轴的交点为
,
它在y轴右侧的第一个最高点和第一个最低点的坐标分别为
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/703b4493b66a538140dd12bb3b268a7a.png)
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它在y轴右侧的第一个最高点和第一个最低点的坐标分别为
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【推荐1】函数
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解题方法
【推荐2】设函数
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