已知函数
.
(1)当
时,求函数
的最大值;
(2)设函数
,若对任意
都有
成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32d20896519921e6c5045e33f2d20b40.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)设函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48f3d2799696a4d5b60e9091aec2e4ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6e2e79843faf62dde86bf858d1e0569.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1a2c01ac2a7f6ad7e03cb7a61daefab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
2016·安徽·二模 查看更多[1]
更新时间:2016-12-04 17:42:54
|
相似题推荐
解答题-证明题
|
较难
(0.4)
名校
解题方法
【推荐1】已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32f4acf63a70d247e313d9c13bd76172.png)
.
(1)当
时,求函数
的最小值;
(2)若
,
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32f4acf63a70d247e313d9c13bd76172.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/882f68865e84728e4d68f09261c849f4.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c256c6e6f6f8c0543855e3d85730c8a6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8b6894e8c345a035e89ec672503a01f.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7b24d82b1849824180540e328c89e5e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89009025d89c7e0dc0e1e46095294401.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5cf84b70603802c69bdb5de2f6fe3a66.png)
您最近一年使用:0次
解答题-证明题
|
较难
(0.4)
名校
【推荐2】已知函数
,
.
(1)当
时,求函数
在区间
上的最值;
(2)若
,
是函数
的两个极值点,且
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/117975b335775f34636426c4a8efdd2a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f79b8690c922e042e422cda331fbdfc.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8493a0cd10d3d0399173c04163740a38.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2dccf1f9faac56117d6d3dd1dddd286d.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aec19b68e3add9d5bfcc6269a1855b87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f5be3af0c67a20bee47063487d305f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26d8dafc71b106f39f4e15442220897b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b725fdc8de9800f2692f6fea8585b1e9.png)
您最近一年使用:0次
解答题-问答题
|
较难
(0.4)
名校
【推荐1】设
.
(1)求函数
的单调区间;
(2)若
,且
,
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba954e820cd05957c1f8173ee5e625e3.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab409bb25958c2f01c73e26042c6f51e.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f28983295b313f61aa5525a7939ebc69.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2210f152080d9a68a97c805f5c1cde96.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c414c707c8c9c8f8cc7de894b4a40c6.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
|
较难
(0.4)
【推荐2】已知函数
.
(Ⅰ)求函数
的单调区间;
(Ⅱ)若函数
存在两个极值点
,并且
恒成立,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c398cd9ca719aa1c498c29872acb2fb4.png)
(Ⅰ)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(Ⅱ)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b158da0d1e8c476e14af85468e6bdce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aca579894dad67bc82cb715fd48e0d70.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a51b137d879e887afb0d0880f5c7ae4.png)
您最近一年使用:0次