已知函数
.
(1)求函数
的单调区间;
(2)若
时,
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6a1c93ed17b47af9825393c84f9ead2.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f6bfdb24ecf5da863405c2b40936ff9.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ae1d01d5e075f5d2395eec77c4a4822.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d84da32b526c3c564da4e25566ec25d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
更新时间:2019-05-05 17:48:39
|
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解答题-问答题
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适中
(0.65)
【推荐1】已知函数
.
(1)求函数
的单调区间.
(2)
,若
为
极值点,其中
为函数
的导函数.证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/069ad43e458c1f06248e5713f9ef0ad3.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fc569a51e28cc76d301d5484bdbf587.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f108dddf47b5a30d50248fbf61e05bf0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c80c74f26a5ce7e60722f034a7a2b8a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0eb7df298a9364b36e079a61caec815c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f74f5a15b4fc3e196813523ddcba875d.png)
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解答题-问答题
|
适中
(0.65)
【推荐2】设函数
.
(1)当
时,求
的单调区间;
(2)若f(x)有两个极值点
,
,求a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80e415f9648d830c9546bae0cf41d400.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/200f24e682c93e02a87f3f9d57dc5d40.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f2a6309fee9da2b037d17949b1c7e4c.png)
(2)若f(x)有两个极值点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ffd888afdcfdb3e91a157d50f65e915e.png)
您最近一年使用:0次
解答题-问答题
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适中
(0.65)
名校
解题方法
【推荐1】已知函数
,其中
是自然对数的底数.
(1)当
时,求曲线
在点
处的切线方程;
(2)当
时,求
在
的最值;
(3)若函数
在
上是严格递增函数,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/825cc1ad6556f2692472566a24dc3b7a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/041a7c8fc017f596542c5e6ec7d1c40b.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b4d795709b0abcf47bceec2250f2f9b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c9f8845aa2b51c460f2d798c9f62fa3.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ead3fdcb8fe8f5eb3dbe7d96cabc28b.png)
(3)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ead3fdcb8fe8f5eb3dbe7d96cabc28b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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解答题
|
适中
(0.65)
名校
【推荐2】设函数
,
的图象在点
处的切线与直线
平行.
(1)求
的值;
(2)若函数
,且
在区间
上是单调函数,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b197950feeb61ca01b75d5b0dd646e53.png)
![](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/d9a9b769d70cb6f29e965c800921c8ea.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c75ddb9e6655c0d5d6a2f36e8c223795.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d562dc22dfb3b81d0c3f88b54d063c2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次