已知函数
.
(1)若
,求
的极值和单调区间;
(2)已知
为
的极值点,且
,若当
时,函数
的图象上任意一点的切线斜率恒小于
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9401e9a6c6aaecbac07ec13f8e7b4a8c.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4a319f7933972d385b39dc20c341450.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd8ca3aa2d1ba52e82613d0d65d800e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d411b928722734c035d57360a1c8f68a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b3b7b4f6096770675d6c89a12a218d5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/079ffb6e714d45e8206a2f5d71a894da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
2011高三·河北·专题练习 查看更多[1]
(已下线)新课标高三数学导数专项训练(河北)
更新时间:2016-11-30 21:28:56
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(2)当
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ce7ae90d808f05e86ea063238e4b2f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09c9aececfe6a36628c8806367ef1154.png)
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恒成立,求实数k的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/119959afbd3629a64da22408c5b7a241.png)
(1)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a9e66b73038b6279d204a47a78902ad.png)
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