已知函数
,
.
(1)若曲线
在点
处的切线经过点
,求实数
的值;
(2)若函数
在区间
上单调,求实数
的取值范围;
(3)设
,若对
,
,使得
成立,求整数
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ed92e2cb9adbbd54f95842748696d8d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10bbdef421c976962a270a2beabbad91.png)
(1)若曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5828873f8369183faf71181cda5b61d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2cfe1502f959d7c6be6474262bc8f753.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3654254401fc902c3cb4912969f21f88.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(3)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c69af4d522660e06645905986d55a072.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fd86bd5c9b9153e589de2c95e9f02b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f3ec8f79b42db17aff3a207f371156ad.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bfd717e9ad11d86442f6ded50d90cd8c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
更新时间:2017-11-21 14:18:29
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解答题-问答题
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较难
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【推荐1】设函数
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(1)若曲线
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23bd0850e4cb68dd075693de4aadd828.png)
(1)若曲线
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5828873f8369183faf71181cda5b61d2.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)求
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图象在
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(Ⅱ)设直线
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c817c0db45a27b8026fd82ed14d9e1d5.png)
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(Ⅰ)求
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83635a6f453f357a41891d8c6479451e.png)
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【推荐3】已知函数
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c710b5a6a51671c7f7b34163e82e62f.png)
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(1)求函数
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解题方法
【推荐1】已知函数
.
(1)若函数
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c91a6962c726692311951fd877cfe193.png)
(1)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b672f564d03ed46d092bb130f229ad8.png)
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(2)设
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【推荐2】已知函数
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(1)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb45f673c56a289ea78831c9237e8d20.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5585ba3f4ce2fd0d3e150ef5a816ab7.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72728cdc6b1c5521eeba55ca804d2d74.png)
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【推荐1】设函数
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(2)若
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(3)若
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【推荐2】已知函数
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【推荐3】已知函数
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(1)讨论
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