名校
1 . 设
导函数
的图象关于直线
对称,且
,其中常数a,
.
Ⅰ
求a,b的值;
Ⅱ
设
,求函数
的极值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38227c9d2a57f8dbe20e7681f1d51b15.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d2437d40a85a950a06b1824312ddfd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fbef0a1750d3f9a0ac59a7677ec833a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6260ba5ed7580370e7d6c83e04da4916.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9bea9391c115618bb84a7aa3da8a242d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11d71379442f28c038d367d49422cf90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/987517758fad59f6f695761deb2a5ebd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11d71379442f28c038d367d49422cf90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/987517758fad59f6f695761deb2a5ebd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/094ac26c669f6fc77eabf109f8a3521c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd330acca8e17f5ff9aca1f0f312df50.png)
您最近一年使用:0次
2019-03-05更新
|
353次组卷
|
2卷引用:【全国百强校】重庆市巴蜀中学2018-2019学年高二上学期开学考试数学(文)试题
2 . 已知函数
.
(1)讨论
在定义域上的单调性;
(2)若函数
在
处取得极小值,且关于x的方程
在
上恰有两个不相等的实数根,求实数b的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e67d87e04ce614b199dd257daae87641.png)
(1)讨论
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/803e2531fa289d691b3cfadd744cbd21.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b448fe164c2c2931805e3b3847dcdd75.png)
您最近一年使用:0次
2020-12-30更新
|
187次组卷
|
3卷引用:重庆市第十一中学校2021届高三上学期9月月考数学试题
名校
3 . 已知函数
.
(1)求函数
的单调递减区间;
(2)求函数
在区间
上的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e04679db4711a1b686e439dc75af0a21.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e07a1487c75df36feeb40998676cce3a.png)
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解题方法
4 . 设函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1848989b39d586cc88c7334f27265390.png)
,若不等式
有解,则实数
的最小值为___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1848989b39d586cc88c7334f27265390.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dede07f3cc82221e87a0275189770343.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6acb0f1ac694dd177e99fc385f23318.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2016-12-04更新
|
995次组卷
|
3卷引用:2017届重庆市育才中学高三上学期入学考试数学(文)试卷
名校
解题方法
5 . 已知
为自然对数的底数
(1)当
时,若函数
存在与直线
平行的切线,求实数
的取值范围;
(2)当
时,
,若
的最小值是
,求
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4888fe01b4f62a54f44f9ce58290c18d.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08b9f0b9e53a83e68f5fec944f343119.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd876a2ed79c64bacc3e64b8ee92735e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cdc6deca979f50c3310464cca848768a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cffa662f0273f0921c1fa4727f632395.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
名校
解题方法
6 . 设函数
,则下列结论正确的有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c75109cd5b8454cca41813c11259102.png)
A.![]() | B.![]() ![]() |
C.![]() | D.![]() |
您最近一年使用:0次
解题方法
7 . 已知函数
.
(1)当
时,求函数
在
上的最小值;
(2)若
,不等式
恒成立,求
的取值范围;
(3)若
,不等式
恒成立,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6999bdb9a40153d073c2e06d779cadba.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b4d795709b0abcf47bceec2250f2f9b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1279ef84071f5ad7c4c1681357edd84.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6422b9c2e93a91fe9e39ce4d9dabb0fc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f81ed7f6a4475e0fa682fa81ee747da3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6422b9c2e93a91fe9e39ce4d9dabb0fc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da07387f234afe3e74213c5882d56301.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次