已知函数
.
(1)用定义证明
在区间
上是增函数;
(2)求该函数在区间
上的最大值和最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c117702f7682a02c401e28e696d851cf.png)
(1)用定义证明
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b28eb2229f0c99456d4ba65a71ed7a76.png)
(2)求该函数在区间
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d8f006ac9d9c66b66a854f6d084e551.png)
更新时间:2020-11-12 14:05:20
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【推荐1】已知函数
,
;
(1)判断函数
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(1)判断函数
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(2)判断函数
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(3)若函数
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解答题-证明题
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解题方法
【推荐2】函数
是定义在
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(1)求
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(2)判断
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2d76842b224d96879a7bf14a1e141d6.png)
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(1)求
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(2)判断
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解题方法
【推荐1】设函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59f47f6897b097a116f556f8c46b7c45.png)
(1)若
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59f47f6897b097a116f556f8c46b7c45.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73cf1f2b401fc3fb8d4c7767d9598fd5.png)
(2)若存在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49e9847cfaec82a05eb0b24bf4707cbb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/295fc1f435a55f8ca206a075bdef168f.png)
(3)设函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/febd03dbec194b2c5ff597e5fe052b23.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93e03ad0c315806342d6cd732a0b91a3.png)
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【推荐2】设函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c203103966642406ab889fcdc361ebdc.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c203103966642406ab889fcdc361ebdc.png)
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(2)若不论
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4624a648f30189a10c8b6683b190ce5d.png)
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