设函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ec2c962f8a08e9effbdfc702819f899.png)
(1)若
为曲线
的切线,求实数
的值
(2)当
时,对任意
,都存在
使得
成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cd16330ef3880be48e1b2251c60a6cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ec2c962f8a08e9effbdfc702819f899.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4e84801c624273c969392f5f45c7646.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/006dd721f6e19ee105cf6e3a10b69c02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04e0be553100fd62053f7d8e4082d9c4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6263b868122a65ddb7cd34faf50a787d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ded573e5fa65deb3423f61129572c091.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
更新时间:2017-08-17 19:42:18
|
【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)
【推荐1】已知函数
.
(1)当
时,讨论
的单调性.
(2)证明:①当
时,
;
②
,
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/030de51667a1159750331f002c329247.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce3a34d6f60032718820c3da2b07786b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)证明:①当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a516cde1a212501f90fbb38ace4917ef.png)
②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2678f41b1656b225732edc8f8f94fe59.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e145b6046bc80d0ffecc61ac67c87ca1.png)
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
名校
【推荐2】设函数
,
.
(1)判断
的单调性,并求极值;
(2)若不等式
对任意实数
恒成立,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88cb1d665df7fdf27739f8f047f97841.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22dd8b3dc4c609bab82d356a5cc2208d.png)
(1)判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c275b5bbcc0b21b7e4868857ec4ac817.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2fb40a36a293471742ce75f6b9635b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次