名校
解题方法
1 . 下列命题中:
①若集合
中只有一个元素,则
;
②已知命题p:
,
,如果命题p是假命题,则实数a的取值范围是
;
③已知函数
的定义域为
,则函数
的定义域为
;
④函数
在
上单调递增;
⑤方程
的实根的个数是2.
所有正确命题的序号是______ .
①若集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7871353724aae78dec4575fabf33d210.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5095a28bb1b91bf6bed9e2cfbd76bb18.png)
②已知命题p:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8645952ea14b25443f411d39bdec641e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e80093b2d71987418a5df6ba62cfa732.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e10140ab3cdc13d710a65b2287c892b.png)
③已知函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/899437dff017bba9f1bee755ca0c297b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d188ec2580e273ce87e51653a2177ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b448fe164c2c2931805e3b3847dcdd75.png)
④函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07793c3c0222de60cd9430689be9ce44.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad2edd8edcb21bd41584daf9bb95a5c7.png)
⑤方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59c825bfee48496aae1cea1068646855.png)
所有正确命题的序号是
您最近一年使用:0次
2024-03-19更新
|
468次组卷
|
3卷引用:云南省昭通市一中教研联盟2023-2024学年高一上学期期末质量检测数学试题(A卷)
名校
解题方法
2 . 已知函数
,若函数
有四个不同的零点
,
,
,
,且
,则下列结论中正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/233bcab9f8b3bcdd10c5d4828886d4e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99b946a8ec829a341aa6806a3eb0b9ff.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/291c25fc6a69d6d0ccfb8d839b9b4462.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/365b38a7689a8eede6820cd6f1fe952b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3604274ad6707a906eba371a9e884144.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
2024-02-20更新
|
421次组卷
|
2卷引用:云南省昭通市一中教研联盟2023-2024学年高一上学期期末质量检测数学试题(A卷)
3 . 如图,在第一象限内,矩形
的三个顶点
,
分别在函数
的图象上,且矩形的边分别与两坐标轴平行,若A点的纵坐标是2,则D点的坐标是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/47457917986fa050dde364775c350d56.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/13/508621e4-4bf9-4409-96cc-2a71c0257bdb.png?resizew=195)
您最近一年使用:0次
解题方法
4 . 若
,则
的大小关系是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/30a9a432a4092ffce801287b034cd057.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76f0649064a085fb74c997fb507a9b6d.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
名校
5 . 定义域为
的函数
的图象关于直线
对称,当
时,
,且对任意
,有
,
,则方程
实数根的个数为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a43b2faa4f81f32d94612dce724e772b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1376168658dbe7f5b7f4d75fb1db545a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a18ca67c2770b98f36dbfd802595a95.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24a57996290794e082b21d8f1dfc322a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/78132753bd0d62932f7ff62a7046f7ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2944f053d4c9a7813b2c4f05e7eb0d94.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0ab2c3eeb8955e66634d9893b8d63a1.png)
您最近一年使用:0次
6 . 已知定义域为
的函数
,若对任意的
且
,有
,则称函数
为“定义域上的凹函数”.例如,
就是
上的凹函数.以下函数是“定义域上的凹函数”的有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abcc342b78b8c829d22ef5325354abed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33bd24e647a626899a243a3f3984f90a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60025fe6bbfd7645844c9e3e7a5871e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99eaeb2ab68a49074d623ffca072fed8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a43b2faa4f81f32d94612dce724e772b.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
名校
7 . 设函数
,若
,且
,则
的值可以是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05ccae48b3fb42b5c9ac42dfc5b9d1bd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2714f1eb0e74a1a31fa2c35275d368e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3604274ad6707a906eba371a9e884144.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd33cb49fbf42fc943fca109a629c016.png)
A.4 | B.5 | C.![]() | D.6 |
您最近一年使用:0次
2024-01-14更新
|
380次组卷
|
2卷引用:云南省昆明市云南师大附中2023-2024学年高一上学期教学测评期末数学试题
名校
8 . 已知函数,若方程
存在三个不同的实数解,且满足
,设
,则
的最大值为
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2卷引用:云南省大理州下关第一中学2023-2024学年高一下学期3月段考(一)数学试题
名校
9 . 已知函数
,若存在实数
,满足
,且
,则
的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6fb75c8442d639c7f6c7faa859fd21f3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8ccd22fd0ca1a8e1468329284f91b6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3604274ad6707a906eba371a9e884144.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2714f1eb0e74a1a31fa2c35275d368e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6500c1bbd7b25a3d3b096ce9b2236a28.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2024-01-12更新
|
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5卷引用:云南省保山市腾冲市第八中学2023-2024学年高一下学期开学考试数学试题
云南省保山市腾冲市第八中学2023-2024学年高一下学期开学考试数学试题(已下线)假期弯道超车之第12题 零点之和对称求解江苏省苏州盛泽中学2023-2024学年高一下学期3月月考数学试题(已下线)专题03y=Asin(ωx+φ)的综合性质期末8种常考题型归类-《期末真题分类汇编》(人教B版2019必修第三册)内蒙古自治区赤峰市2020-2021学年高一下学期期末联考理科数学试题(A)
10 . 已知函数
,若
恰有3个零点
,则
的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0c16359a05797df298948d231c12d80.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05b8ec9d4206ea66a02de5c4a1e1e911.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dafaeedddee618f5e86a5f2efd15b2cd.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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|
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6卷引用:云南省曲靖市民族中学2023-2024学年高一上学期期末考试数学试卷