已知
为实数,函数
,函数
,令函数
.
⑴若
,求函数
的极小值;
⑵当
时,解不等式
;
⑶当
时,求函数
的单调区间.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/436c4abb09109b56cb991b3d8c762589.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ed7d85ef44a3bf0632c97bf03899d37.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c2103209b376a86ef219b049788a953.png)
⑴若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/302337058242c7b78e3eb4ac7210b7ce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f6bfdb24ecf5da863405c2b40936ff9.png)
⑵当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9391c0c7b10e940648850431b0f6b059.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc0f6d785d26264b528e4d73f95c61e6.png)
⑶当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9cf2f46bc120e5b6f8317b02370bffbb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf0e3df7ec76a64c3144acddf855077e.png)
10-11高三·江苏常州·期末 查看更多[1]
(已下线)2011届江苏省常州市教育学会高三学生学业水平监测数学试卷
更新时间:2016-11-30 13:21:02
|
【知识点】 函数单调性、极值与最值的综合应用
相似题推荐
解答题-问答题
|
适中
(0.65)
名校
【推荐1】已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37bba175bed086c528c51192ccf8358a.png)
(1)求
在点
处的切线方程;
(2)若存在
,满足
成立,求
的取值范围;
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37bba175bed086c528c51192ccf8358a.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d29c5c266a6d834a244c1f50c8f9848c.png)
(2)若存在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd9562ec32da8ae40d5231fcbfa9d332.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d78616bfa5a6dc72eba88fb9d50bf29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
【推荐2】设函数
.
(1)当
时,求函数
的图像在点
的切线方程;
(2)若存在
,使得
(
是自然对数的底数),求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d741d4d3c7ca3eee83a9c4d6474e8626.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0ffecb03c47be920254c4ccffa5b222.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c9f8845aa2b51c460f2d798c9f62fa3.png)
(2)若存在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98482ea7b98e0f06e72664e78389e4db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08e856dd7407c2fad6594228317e3d2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6dcd143a57a268a5a8ef486e2a4d5c0a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次