名校
1 . 已知函数
.
(1)若
,求函数
的极小值;
(2)讨论函数
的单调性;
(3)若
,令
,且
在
上不单调,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe8f1d8a058b06f6e92bfef08a6e1cc4.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)讨论函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20e7e2521bc77d291d6bcbd1195c865c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/990ffebc9fb1838660453460645ed21c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/28ce82779a834a6871c96515eaaa5571.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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2 . 对于函数
,给出下列命题,其中正确的有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/28034dcafe542a98d95d4504ad7d8a3e.png)
A.![]() ![]() |
B.![]() ![]() |
C.![]() ![]() ![]() ![]() |
D.![]() ![]() |
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3 . 已知函数
,曲线
在点
处的切线方程为
.
(1)求a,b的值;
(2)求函数
的单调区间和极大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ba7a5db7869ea6e454a803d39731caf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5828873f8369183faf71181cda5b61d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b7690f62e0b3a59c3ff0c31fe4033de1.png)
(1)求a,b的值;
(2)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
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名校
4 . 若函数
有3个不同的零点,则实数
的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32273aa2c863a64e2944cb6467054b7e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2023-09-15更新
|
685次组卷
|
2卷引用:四川省广元中学2022-2023学年高二下学期第一次段考数学(文)试题
名校
5 . 在
上的函数
满足:①
(
为正常数);②当
时,
,若
的图象上所有极大值对应的点均落在同一条直线上,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4e9bb42376c12d7d21702ae8062b25a.png)
___ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d79fe3414b32bbd1190b41ed8307f905.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/330d98f239b9a6c8ad342c4abb45b950.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/211ebd58d457c6e7855cef475a91f203.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c31a97a3d7d8f1f6d799d3bdb1e4c63.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4e9bb42376c12d7d21702ae8062b25a.png)
您最近一年使用:0次
2019-01-11更新
|
450次组卷
|
2卷引用:【市级联考】四川省广元市2019届高三第一次高考适应性统考数学试题(理工类)
2013·贵州黔东南·二模
解题方法
6 . 已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4859fab7dbcef144ab8860f4ea99103.png)
(I)求函数
的极值;
(II)对于函数
和
定义域内的任意实数
,若存在常数
,使得不等式
和
都成立,则称直线
是函数
和
的“分界线”.
设函数
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd3c988d875438535244ee2b092a779b.png)
,试问函数
和
是否存在“分界线”?若存在,求出“分界线”的方程.若不存在请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4859fab7dbcef144ab8860f4ea99103.png)
(I)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61c388166862b3ccfcc7ca749ebe5949.png)
(II)对于函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0eb7df298a9364b36e079a61caec815c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ceee0ff5c929d67de3c294e027c9087.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c186e059341408017472f22aa7a198d0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a8f0f702749581fe4ed58ca38e3c7c0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c15fb18163df0690365a0d2e7ee88f5a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0eb7df298a9364b36e079a61caec815c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
设函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e88bd707d897ad723c5bf4809f278cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd3c988d875438535244ee2b092a779b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ddbff751292e4e0dda8953f8c9106c81.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0eb7df298a9364b36e079a61caec815c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
您最近一年使用:0次
2016-12-02更新
|
939次组卷
|
5卷引用:四川省广元市2020-2021学年高二下学期期末数学(理科)试题
四川省广元市2020-2021学年高二下学期期末数学(理科)试题四川省广元市2020-2021学年高二下学期期末数学(文科)试题(已下线)2013届贵州黔东南州高三第二次模拟(5月)考试理科数学试卷(已下线)2013届贵州黔东南州高三第二次模拟(5月)考试文科数学试卷四川省眉山冠城七中实验学校2021-2022学年高二下学期理科数学期中考试卷