已知函数
.
(1)若曲线
在
处的切线斜率为1,求函数
的单调区间;
(2)若
时,
恒成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9fb35639226180be6c1e649b93be4aa.png)
(1)若曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb45f673c56a289ea78831c9237e8d20.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6e2e79843faf62dde86bf858d1e0569.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22e38c541dec8fce1d26886e5ef7d21f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
16-17高三·云南·阶段练习 查看更多[3]
2017届云南省云南师范大学附属中学高三高考适应性月考(五)文数试卷(已下线)2019年1月19日 《每日一题》文数高考二轮复习-周末培优(已下线)2019年1月19日 《每日一题》理数高考二轮复习-周末培优
更新时间:2017-03-02 22:52:24
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解答题-问答题
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名校
【推荐1】已知函数
为自然对数的底数
(1)求
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(2)当
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(3)证明:当
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0a4b8f40d0a47d9c122bb4b511636e2.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb45f673c56a289ea78831c9237e8d20.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6e2e79843faf62dde86bf858d1e0569.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0906827be3e90e9995cddf323f21b30.png)
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(3)证明:当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6aa5ec6172d70ab693efd6987d92301.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
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【推荐2】已知函数
.
(1)当
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d500c5b4915acfe2d538aaa08582307.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
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(2)若当
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解题方法
【推荐1】已知函数
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(1)若
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/74d6f91e36b865ea3f3b30244b2114b3.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7aed39f5aca78934fb383402433fe549.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f4c78214e43a8b93f2a57072033cbcf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ffd888afdcfdb3e91a157d50f65e915e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9683faee732f4eedf79bed4e1e8a3c6c.png)
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困难
(0.15)
名校
【推荐2】已知函数
.
(1)求
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(2)若函数
有两个不同的极值点
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①求k的取值范围;
②证明:
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9526a4e009929be794eef39af419796.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0484bd011c1882f1c87a00cbdefbade7.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c5e96b554a65ab6252bee81666d4118.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aec19b68e3add9d5bfcc6269a1855b87.png)
①求k的取值范围;
②证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a96690e18b95fb536c05bc3c3b19c9d9.png)
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解答题-问答题
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困难
(0.15)
名校
【推荐1】已知函数
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(1)若
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(2)若
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,且
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/922d8673c6ecde8bf8ecc1e2eea18566.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若
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困难
(0.15)
名校
【推荐2】已知函数
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(1)求函数
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/187c21027ff08411931d32c530b64fd3.png)
(2)(i)若函数
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(ii)在(i)成立的条件下,若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bbe88c5a2ed81e243b763a38743baefb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72c099463ef729b9e24e68f6f80d1843.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
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