1 . 已知函数
,给出下列四个结论:
①当
时,对任意
,
有1个极值点;
②当
时,存在
,使得
存在极值点;
③当
时,对任意
,
有一个零点;
④当
时,存在
,使得
有3个零点.
其中所有正确结论的序号是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/105861d1641ea050b3274e1dac21c6fc.png)
①当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a882037b9ce104ecc496e0f31a139361.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2dd0914dc4d4c7f75710ff460a286fcf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
②当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4c7b17b40ac22797b8d263c4eb19653.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2dd0914dc4d4c7f75710ff460a286fcf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
③当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/143b917df0520097be222accbddf9394.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c36b234ba460321e811de1729eadd4b6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
④当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22fc53d1a6192701c1d7364c08fac090.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c36b234ba460321e811de1729eadd4b6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
其中所有正确结论的序号是
您最近一年使用:0次
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解题方法
2 . 下列关于函数
的判断正确的是__________ .
①
的解集是
; ②
是极小值,
是极大值;
③
没有最小值,也没有最大值; ④
有最大值,没有最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3d4ea984112cce5fbe4e376462f3629.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c73a98c1b3504e09bfbe0db849b0d24.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab0b8d43a571e75cd623961b18a379bc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec1d2163334b6b72d4ce1c005da3be06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57ecd9625b5a288b19edfbd48cec8d4b.png)
③
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
您最近一年使用:0次
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解题方法
3 . 下列关于函数
的判断正确的是___________ (填写所有正确的序号).
①
的解集是
;②
是极小值,
是极大值;③
没有最小值,有最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9eec63a39bdb95603fb86a07889a43b7.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/018857ec6e498113b3b12a730d9313da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e3675b91a7bdeed64e0d5b7aab2e617.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7fe45ecd5d507adc2e7ffc1b1755856.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb71ad742b421a7ba62d8c1923d33358.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
您最近一年使用:0次
名校
解题方法
4 . 已知函数
,有下列四个结论:
①当
时,
在
上为增函数;
②当
时,
存在两个极值点;
③当
时,
存在极大值;
④若函数存在两个不同的极值点
,
,则
的最大值恒为负.
其中所有正确结论的序号是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c30a9ce714f7fa26fafe3411bb1e030.png)
①当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce3a34d6f60032718820c3da2b07786b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d562dc22dfb3b81d0c3f88b54d063c2f.png)
②当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f41c6b9fa72109ba69163a5c6b7874a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
③当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb5f421939ee855f25927e7570d82c71.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
④若函数存在两个不同的极值点
![](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/09e82b97295e414da324dcb6b1a1d524.png)
其中所有正确结论的序号是
您最近一年使用:0次
2023-07-10更新
|
254次组卷
|
3卷引用:北京市第十二中学2022-2023学年高二下学期期末考试数学试题
名校
5 . 我们比较熟悉的网络新词,有“
”、“内卷”、“躺平”等,定义方程
的实数根
叫做函数
的“躺平点”
若函数
,
,
的“躺平点”分别为
,
,
,则
,
,
的大小关系为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d6b31b9a86d8b5b9d3c42a63f4d07a0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6acd884552ee3aaecf68b8dca5a41e00.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c90282d4a37c9a20620d4bbb0c263cae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20f952ed6de5a20e2ad4fc7d56305855.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d477da1aa506d30a5f7381af4140094a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/104e01e180ca638ebd9b84781901b3a0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
您最近一年使用:0次
2023-06-27更新
|
677次组卷
|
7卷引用:北京市海淀区中国人民大学附属中学2022-2023学年高二下学期期中数学复习试题(1)
北京市海淀区中国人民大学附属中学2022-2023学年高二下学期期中数学复习试题(1)安徽省定远中学2022-2023学年高二下学期6月第二次阶段性检测数学试卷陕西省西安建筑科技大学附属中学2022-2023学年高二下学期期中理科数学试题辽宁省沈阳市第一二〇中学2023-2024学年高三上学期第一次质量监测数学试题(已下线)模块二 专题2 导数 B提升卷(人教A)(已下线)第三章 重点专攻三 函数零点问题(B素养提升卷)黑龙江省大兴安岭实验中学(东校区)2022-2023学年高二下学期期末数学试题
名校
6 . 已知函数
,给出下列结论:
①
是
的单调递增区间;
②函数
有极大值点是1;
③当
时,直线
与
的图象有两个不同交点.
其中正确的序号是__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2fd05055fdcc2257f2615e9b9af1579.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5d6243e93c41978871cb23d8e66148d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
②函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
③当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19ab20b82c73e5a5172a06c43a5e15ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ead6a3dbd03539ef5e0807be57bb1e17.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
其中正确的序号是
您最近一年使用:0次
7 . 已知函数
,
,给出下列四个结论:
①若
,则
;
②若函数
,则
在区间
上单调递增;
③若关于x的方程
在区间
上无解,则
;
④若点M,N分别在函数
和
的图象上,则一定存在M,N关于直线
对称.其中所有正确结论的序号是____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5d16ad4aaca684cf56793b6d9e15bf7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a081ff65b161cb432dda90ce79b0745.png)
①若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af19c6415596218faa7dd1a83126c00a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08655edc1ce3fbc09c636345627f9f57.png)
②若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cffa662f0273f0921c1fa4727f632395.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a813b5adbf5c7082561237894ba6d599.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6c1756b564bf1d998d8179637011c88.png)
③若关于x的方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c0008d46dc238d710a1efe7e2c17237.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e11f4ca0e7ace69f92130d0525bcdb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d12989e380638a6792bbf05753e46118.png)
④若点M,N分别在函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d77f5191798242b7b9b88a75e17e4425.png)
您最近一年使用:0次
8 . 已知函数
,则下列说法中,所有正确的序号是__________
①当
时,
在
单调递增;
②当
时,
在
处的切线为x轴:
③当
时,
在
存在唯一极小值点
;
④当
时
在
一定存在零点.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1741b50a91874d2ec1fbf2802fca5300.png)
①当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b108ab31cc093f03cf48ad65429889e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d562dc22dfb3b81d0c3f88b54d063c2f.png)
②当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b108ab31cc093f03cf48ad65429889e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c9f8845aa2b51c460f2d798c9f62fa3.png)
③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/1eabe45e9d445494c77227fc85d43cb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
④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/1eabe45e9d445494c77227fc85d43cb1.png)
您最近一年使用:0次
名校
9 . 已知函数
,
,则下列结论正确的是______ .
①对任意的
,存在
,使得
;
②若
是
的极值点,则
在
上单调递减;
③函数
的最大值为
;
④若
有两个零点,则
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef1185a0322ad37b3293b633ce4ac5a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08290af79305df59bc0a1fc2b7c4f7c5.png)
①对任意的
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08290af79305df59bc0a1fc2b7c4f7c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea69fb59dc615852a0d248675788d82e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c36825543013336c9df727bc51ff62c6.png)
②若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f4a7296fec325f6ff7586138681a4ea.png)
③函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/752f4348ed559bcc0847156f71fc9bdb.png)
④若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d28be003e45675ad152be3e38025e12.png)
您最近一年使用:0次
名校
解题方法
10 . 设函数若
存在最小值,则a的一个取值为
您最近一年使用:0次
2023-03-21更新
|
1147次组卷
|
6卷引用:北京市丰台区2023届高三一模数学试题
北京市丰台区2023届高三一模数学试题专题05导数及其应用北京卷专题12导数及其应用(选择填空题)北京市第一六六中学2023-2024学年高二下学期3月月考数学试题(已下线)第93练 计算速度训练13(已下线)北京市丰台区2023届高三下学期3月一模数学试题变式题11-15