名校
1 . 已知函数
.
(1)若
,当
时,讨论
的单调性;
(2)当
时,
,求a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df774b7aec4543f1a9375271837021f7.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/200f24e682c93e02a87f3f9d57dc5d40.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e10dce73bdc1d522ae7cb34805ed3d8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48350c9f896c18a64f27867ca81c9be2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4d011be02de5cc8ab52408b503744ad.png)
您最近一年使用:0次
解题方法
2 . 已知
有且仅有两个极值点,分别为
,
,则下列不等式中正确的有(参考数据
,
)( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f210b5c225d06b61f4967f2eb57180ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ffd888afdcfdb3e91a157d50f65e915e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0591d9f78b4f4f78c5bd6baaa602ae0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/289ad328bffb5f497153dc0e59939257.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
3 . 已知函数
.
(1)若
在定义域内单调递增,求a的取值范围;
(2)当
时,若
存在唯一零点
,极值点为
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/491c42d63c3c7720a246877f26f196a9.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](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/675bb4166ea7465b3c741421e49c7ccb.png)
您最近一年使用:0次
2022-03-05更新
|
1036次组卷
|
6卷引用:青海省西宁市海湖中学2022-2023学年高二下学期开学摸底考试数学试卷 A卷
青海省西宁市海湖中学2022-2023学年高二下学期开学摸底考试数学试卷 A卷2022年高三数学新高考测评卷(猜题卷七)(已下线)二轮拔高卷03-【赢在高考·黄金20卷】备战2022年高考数学(文)模拟卷(全国卷专用)湖南省岳阳市平江县2023届高三下学期教学质量监测(三)数学试题(已下线)专题19 导数综合-1(已下线)专题1 导数与函数的单调性(恒单调、存在单调区间、不单调)【练】
4 . 已知函数
.
(1)讨论
的单调性;
(2)若
在
上有零点,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b17d0c8f5c9f37d2db982df628982dd.png)
(1)讨论
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c459c5d37f30210330dbeaf49f5662f8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d79fe3414b32bbd1190b41ed8307f905.png)
您最近一年使用:0次
2021-09-04更新
|
498次组卷
|
4卷引用:青海省西宁市大通回族土族自治县20221-2022学年高三开学摸底考试数学(理)试题
5 . 已知函数
.
(1)函数
,讨论
的单调性;
(2)函数
(
)的图象在点
处的切线为
,证明:有且只有两个点
使得直线
与函数
的图象也相切.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cdc873fc03e6e4d3c4ba02f8b1147b20.png)
(1)函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22c2c1a93a00edf7dc4b100b1c01e426.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6cc4a85bbf152031dc8ebd182e44ead.png)
(2)函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eda16bdd2671a8e299a0d9c00504202d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
您最近一年使用:0次
2020-06-14更新
|
239次组卷
|
2卷引用:青海省西宁市六校联考2022-2023学年高三下学期开学考试数学(文)试题