1 . 已知函数
.
(1)判断
在区间
上的单调性,并用定义证明;
(2)当
时,
恒成立,求实数
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b49e790b1d37f231c10c6c93facc372c.png)
(1)判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe86cace140f2c3588ab115837bbfc9e.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/898506a838975df680ab85d84e1a6874.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/418c2b25a108bd0328c6b25a7f6092e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
您最近一年使用:0次
2 . 已知函数
,
.
(1)若
,求函数
在
的值域;
(2)若
,求证
.求
的值;
(3)令
,则
,已知函数
在区间
有零点,求实数k的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dfc59e88149b506865a18f249c56f68.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89a768cc949e4d1ca3effaa7f82b2156.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/926b791b23dce655cb9230b416c0c42a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46be55c8f2760d6db125f46691a3de48.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b66ef59c3970f3581a5ea29e21fd564d.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08e4e14e7cce3bcd0371d32858b0a2c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ef502f2520c255f8c7281e343ce2357.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fdaaf67e089d2dd8468fbaba13d01b52.png)
(3)令
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a80661feb5630831d21c3d7a328c17ec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdc38c68db969c0a77847417bdc732d5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89e593828316139a54019e352dec883f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2dccf1f9faac56117d6d3dd1dddd286d.png)
您最近一年使用:0次
2022-06-24更新
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2739次组卷
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4卷引用:福建省泉州市泉港区第二中学2023-2024学年高一上学期12月月考数学试题