已知函数
.
(1)判断
的单调性;
(2)设函数
,记
表示不超过实数
的最大整数,若
对任意的正数
恒成立,求
的值.
(参考数据:
,
)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ed44cffe178de9affde8c635d98ef.png)
(1)判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)设函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27156925b0f97c5aa60f0c66106ad1f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c4f5908d6a1217e493ed7586b6964dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cad1f030bf65af4df470359d6c13d0c0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b377569cfc4782c946b890516df4958.png)
(参考数据:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a50101047632b94dcd5cf8035b093cc5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f12a76edbb3e98e3ff41c03401769d1c.png)
更新时间:2023-02-19 09:21:05
|
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【推荐1】已知
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(1)在下面的三个条件中,选择一个,使得
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(2)若对任意
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(3)若
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【推荐2】已知函数
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(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
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(2)证明,对
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(1)证明:当
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(2)若存在
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(Ⅰ)当
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdf80f9cf72a90e6a974a9b634f06887.png)
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【推荐2】已知函数
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(2)证明:
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/069951b1d05cecf782b8c9d9f6cf0d89.png)
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