1 . 已知函数
.
Ⅰ
讨论
的单调性;
Ⅱ
若
对
恒成立,求实数a的取值范围;
Ⅲ
当
时,设
为自然对数的底
若正实数
满足
,证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85344be0ce897e08075f0310a00c82d0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de629ae869e25cbd394121fc990d2f85.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0ef244e9cd295656496929fbb46a9a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0fe208f73fa35d3778032cc0208a0d8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de629ae869e25cbd394121fc990d2f85.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0ef244e9cd295656496929fbb46a9a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6fff03e154d1e047673f623aaabc2735.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/02fea50b63756aff75df7516b2fec5f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de629ae869e25cbd394121fc990d2f85.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0ef244e9cd295656496929fbb46a9a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/302337058242c7b78e3eb4ac7210b7ce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d88f4a34fee278d503981073a1bb864.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/355e9c577a21b06755ea84a2aecd06a0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0a0a869eb6771abedbbc213dd15f773.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1981420f380d0a4ea649700d56cb07e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d56c18c22c890f2e61f9772359ef2cbb.png)
您最近一年使用:0次
名校
2 . 设函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a6650f77a45f5f5e99d6755727c15c.png)
(1)当
时,求函数
的单调区间;
(2)令
其图象上任意一点
处切线的斜率
恒成立,求实数
的取值范围;
(3)当
时,令
若
与
的图象有两个交点
,求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a6650f77a45f5f5e99d6755727c15c.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2fa3dc4e22ccb7a22bc255aa53a4881b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)令
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c792fd90ffdee2b8fd0a39b075a356c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/caf0d139c9810361b4971904a943856b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0abda5d267c0aa2e8a5857dbf006a8c0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(3)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/657435e1fda84118e7f63c97505c8b75.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6e62031d8b97b0a8d712eca7ccfff5b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5790d5181783c15fd46d95bf18b796f0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92860378096f519a8fb276d07dbfabce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4daf40bad1cc89311930cce356672354.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08cf1d9986814081600cee9a19a24860.png)
您最近一年使用:0次
2014·天津红桥·一模
真题
名校
3 . 已知
,函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd96607c9d7d6df245eac03d506cddf2.png)
(Ⅰ)若
,求曲线
在点
处的切线方程.
(Ⅱ)若
,求
在闭区间
上的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da989240786ef7c3e2d903f30caf59e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd96607c9d7d6df245eac03d506cddf2.png)
(Ⅰ)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/150e8e4ca6aa729a72a6a17c36b8ebfe.png)
(Ⅱ)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e54731e765afe13365b63e525780bb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18c16fc9efe77598af05791515f91a09.png)
您最近一年使用:0次
2016-12-02更新
|
2615次组卷
|
6卷引用:2014届天津市红桥区高三第一次模拟考试文科数学试卷