1 . 已知函数
和
,若
,现有下列4个说法:①
;②
;③
;④
.其中所有正确说法的序号为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9cc7f5b6853e3e6d0b8ba16ea81edc0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9963dcc20d9a6467213797e65f947426.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f23b2604e5f8be78fbe6cafcb9b7f2f0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/419504736c4934f6e0df4114c3743944.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a42526840a0fc525571737bed3d1af6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07e431fbe9d32c1fb868e4e3d2e1bd81.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d9b616bddad1c2d129975b2a3067603.png)
A.①②④ | B.①②③ | C.②③ | D.①③④ |
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2022-07-07更新
|
601次组卷
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2卷引用:河南省南阳市2021-2022学年高二下学期期末数学理科试题
名校
2 . 已知
,函数
有两个极值点
,则下列说法正确的序号为_________ .
①若
,则函数
在
处的切线方程为
;②m可能是负数;
③
;④若存在
,使得
,则
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dcd9218a657b17654c5d757a6f7dee9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92f1d37d41130c72ae150a64ddb2f949.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ce7ae90d808f05e86ea063238e4b2f9.png)
①若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/711b21672fd907c5c92fee1d649e7003.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf46dc84732526c826d84a71c407ea89.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0f7fbfa2214ca72495a993b2fed8b61.png)
③
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12f8f79e938bf77f67440579ad10cb82.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f07ad90ca228230b03f12eb48ee0c1d0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5eaa6773bd23f36a1577f8456ae6ae86.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c9c27cc04aca332fb3098228a1119b3.png)
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2024-02-13更新
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2卷引用:天津市重点校2023-2024学年高二下学期4月期中联考数学试题
3 . 设
是函数
的导函数,若对于任意的实数x,都有
,给出下列命题:①
是定义域上的增函数;②
;③
的最小值为
;④函数
恰有1个零点.其中正确命题的序号为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ceec72ad249f0ef8750d12a473148688.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e2c1b94d085032398ba2a3473c52edf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22e38c541dec8fce1d26886e5ef7d21f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d2356758a542b0808ef040354354228.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/274a9dc37509f01c2606fb3086a46f4f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ec887a5238c1ec5e48fad4076282b75.png)
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名校
4 . 对于函数
,给出下列四个结论:
①
是奇函数;
②方程
有且仅有1个实数根;
③
在
上是增函数;
④如果对任意
,都有
,那么
的最大值为2.
其中正确结论的序号为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/707dd66e0d6f8c33c6e05b4555f12c31.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
②方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/becd598a11b876d858728161a7a09705.png)
③
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
④如果对任意
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66692ec49a458f9e48c7315d03dfc37b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb8800c695cb799480fe1eb3859868e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
其中正确结论的序号为
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5 . 给出下列命题:
① ②
③
④
其中正确命题的序号为
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6 . 已知函数
.给出下列四个结论:①函数
的图象存在对称中心;②函数
是
上的偶函数;③
;④若
,则函数
有两个零点.其中,所有正确结论的序号为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a647e5a0da7ef185fcc3511c10d8467.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/a43b2faa4f81f32d94612dce724e772b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f66d61d5f66d68b4c4a2a25fd7103621.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9965004da00237069594dfc0c794df13.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0767a92fe059b6ee0e7882f96aa12571.png)
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2023-07-22更新
|
136次组卷
|
2卷引用:四川省凉山州2022-2023学年高二下学期期末考试文科数学试题
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解题方法
7 . 关于函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d42bc1614c3372edf362b4c07154fba.png)
(1)
是
的极小值点;
(2)函数
有且只有1个零点;
(3)
恒成立;
(4)设函数
,若存在区间
,使
在
上的值域是
,则
.
上述说法正确的序号为_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d42bc1614c3372edf362b4c07154fba.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/707ea658f3a9359f5740d5aab48f7948.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bcac5b738cd5ea12f6d93e9c5fc6bcd5.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/afe29938b4ed7cb7d45448089a8a40a3.png)
(4)设函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/652f22f72087b987613d5f25ef342070.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eefa9672a543dff72e64cf71ff0d3096.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f030c36bb8786df88d401792062a4100.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d6a74d044a20150362a78457c3e52b79.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81f33f11c79698185b1239b5f8626853.png)
上述说法正确的序号为
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2020-05-04更新
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352次组卷
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2卷引用:安徽省蚌埠市第三中学2019-2020学年高二下学期期末理科数学试题
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8 . 已知函数
,给出下列四个结论:①
是偶函数;②
有无数个零点;③
的最小值为
;④
的最大值为1.其中,所有正确结论的序号为___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32c35262ff414e1e0e937a5fd273f8fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3389f53711264b0acba3ba6019f8b908.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
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5卷引用:北京市第一七一中学2023-2024学年高二下学期3月月考数学试题
北京市第一七一中学2023-2024学年高二下学期3月月考数学试题北京市海淀区2022届高三一模数学试题(已下线)考点06 导数及其应用-2-(核心考点讲与练)-2023年高考数学一轮复习核心考点讲与练(新高考专用)(已下线)北京市海淀区2022届高三一模数学试题变式题11-15北京卷专题12导数及其应用(选择填空题)
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9 . 已知
其中e是自然对数的底数,现给出下列四个结论:
①函数
是偶函数; ②
是函数
的周期;
③函数
在
上单调递减; ④函数
在
上有3个极值点.
其中所有正确结论的序号为___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b70f0b6fba0e1730af7190828e8dd7fe.png)
①函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e9fdc1f8ed0ae44b54a9a2a3aca2db4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
③函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf27a6fbfad495fde6b675cb328e1169.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a1798ba947bed1f794c123106b8d5519.png)
其中所有正确结论的序号为
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解题方法
10 . 函数
、
,给定下列命题:(1)不等式
的解集为
;(2)函数
在
上单调递增,在
上单调递减;(3)若函数
有两个极值点,则
;(4)若
时,总有
恒成立,则
1.其中正确命题的序号为_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb3b6c56aee4bb8a8131fd960415c745.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6543b807bb3d0fdb8b90fc1e2059d5c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eee31b9dffcd91ff2f5477410bc09f95.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a04472ba7f928c58fdc67f48f9eba347.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/269a04a7a7b62ac0be68f0cb9445e606.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a4939ce3f85f6771217c875c0b5ee8c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e83eefa2d62adec7da915408483e4cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e436ea3ddcd13e69171135f0ff8e934a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec72ca557aa4229ee871628ffcf0d8a0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c6c7083bc794dc7752400b2429281cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de341c215d0e23469dbebbe6ddaf2ccd.png)
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