名校
1 . 给出下列命题:
①函数
是奇函数;
②存在实数
,使
;
③若
,
是第一象限角且
,则
;
④函数
在
上的值域为
;
⑤函数
的图象关于点
成中心对称.其中正确命题的序号为_________ .
①函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5508fb648f060f1128ed2a95b66c048.png)
②存在实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95f7da37edc88e1c82456f2c6d072535.png)
③若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90df641ab645927ee577e79faf18dcdd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/890105f677da9bf3d5483f5344065b35.png)
④函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08c20c28856587dc8cd4e0842a86709f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18c9aeed3c8c5a04e48d011c607f9142.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b67284ca9982944fd8bbe0a49102669.png)
⑤函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16e13df8acedad03eb7d6f5f466332cc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71ebb7b00c8246c9a938bdbf40b4e7fe.png)
您最近一年使用:0次
2020-02-20更新
|
313次组卷
|
2卷引用:四川省泸州市泸县第五中学2019-2020学年高一下学期期中考试数学试题
名校
2 . 设非空集合
满足:当
时,有
,给出如下四个命题:
①若
,则
;②若
,则
;③若
,则
;④若
,则
或
;
其中正确命题的序号为____________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1499570d8771961eb973d275daf634c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c8647b00cc8c8f35555c7d78cf2812c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/561b2a3989ac7b46ec794c2ad9a60b47.png)
①若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf0086b054ef120408acac806a1b1318.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b75f08f6a3c243392eb7601e3f736899.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54078c4af5b305e26b8e3faa6423e67e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7a99456afdc55c5bfab783784461db6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f79934108f80826ed066be5e28f9d6f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f93f67ef3e941be3b7685f92180735c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4d9eca0a0dab41743fd9703a6ed8913.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d59b388ab091cefdc4f1254b57577575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf0086b054ef120408acac806a1b1318.png)
其中正确命题的序号为
您最近一年使用:0次
2020-02-01更新
|
1801次组卷
|
6卷引用:上海市复兴高级中学2017-2018学年高一上学期期中数学试题
名校
3 . 如图是函数
的部分图像,则下列命题中,正确命题的序号为____________
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/9/efb32560-2a7b-4baa-85f2-776431e2bbb2.png?resizew=148)
① 函数
的最小正周期为![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1ad72d7565699d1ebb741eb0ce12bac.png)
② 函数
的振幅为![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38387ba1cadfd3dfc4dea4ca9f613cea.png)
③ 函数
的一条对称轴方程为![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dcec3577a98c814b9f82965c3f1ebd46.png)
④ 函数
的单调递增区间为![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57866148f3bbf124a7d842dd139cc970.png)
⑤ 函数的解析式为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ff10bab526f0f63af08d305ff35f6ac.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/9/efb32560-2a7b-4baa-85f2-776431e2bbb2.png?resizew=148)
① 函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1ad72d7565699d1ebb741eb0ce12bac.png)
② 函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38387ba1cadfd3dfc4dea4ca9f613cea.png)
③ 函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dcec3577a98c814b9f82965c3f1ebd46.png)
④ 函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57866148f3bbf124a7d842dd139cc970.png)
⑤ 函数的解析式为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a5c802178f042885c7faa1014152698.png)
您最近一年使用:0次
名校
4 . 定义一个集合A的所有子集组成的集合叫做A的幂集,记为
,用
表示有限集A的元素个数,给出下列命题:(1)对于任意集合A,都有
;(2)存在集合A,使得
;(3)若
,则
;(4)若
,则
;(5)若
,则
.其中正确命题的序号为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6c410536b4b795809f155e107bed17f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c58e9d04712c58c5d5263ce2dc57e6db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d155ac82ede43de3a78c0e21ad8b1ed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2417aa13f40290a76c016d0a98df411.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18f20b7ef52791fe87e3dda592f0afca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e51811366cdd659eac0091b31570152.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2ad78dc8b8aed907b4fe9640c997454.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d1c5ac0da9e3a3d95e22a5231dac356.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d3b483dda0b49a0c990ea49ebc15b29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aab24c041cbcac2e43af858c7d465e2.png)
A.(1)(2)(5) | B.(1)(3)(5) |
C.(1)(4)(5) | D.(2)(3)(4) |
您最近一年使用:0次
名校
5 . 给出函数
,有以下四个结论:①该函数的值域为
;②当且仅当
时,该函数取得最大值;③该函数的单调递增区间为
;④当且仅当
时,方程
在
上有两个不同的根,且这两个根的和为
.其中正确结论的序号为_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/06a7fa99768faff8eeee223b3923e5ae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb6bfefa5b41faae17987876d570685d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd575d5c77e569c7b0f25ee265d108c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5cf7b221518e2401dbfa64b434508d66.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4cd410af83a4e172bd6b2847f2c3480.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8eb2e46f49adba6036e2624639a1b966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0407b006c53ad8c7c43fbaf04391886f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e9fdc1f8ed0ae44b54a9a2a3aca2db4.png)
您最近一年使用:0次
名校
6 . 给出下列几种说法:
①若
,则
;
②若
,则
;
③
为奇函数;
④
为定义域内的减函数;
⑤若函数
是函数
(
且
)的反函数,且
,则
,其中说法正确的序号为_________ .
①若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/431c9628813533a101cca8d8d47a2498.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcdb7a488910743dc5c63afb394b87e2.png)
②若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a8c9f990fc696c4b27d02cb9e92fe9c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1bad1ee89378076927702a3b7385cf8.png)
③
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4cd6b1b690425cf8dd7427f978774463.png)
④
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77c9320d009a17deba67f208c7d8be8c.png)
⑤若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da53929a8f67b9aa3827fdbd73ebd265.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c400a615a16a1662de98dfb4e49d58d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af9da4fdfdddc259dcef9fdd4b826b64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e9fc1d3731b6cde045ddfce45737248.png)
您最近一年使用:0次
2017-02-08更新
|
588次组卷
|
2卷引用:2016-2017学年云南曲靖一中高一上期中数学试卷
名校
7 . 已知
是两条不同的直线,
是两个不重合的平面,给出下面三个结论:
①若
,则
;
②若
,则
;
③若
是两条异面直线,且
,则
.
其中正确结论的序号为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44c7c553d0f15facbbd2f35bc728d32b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bfa404d3ff313b0a28a76a48d7d87234.png)
①若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e0fb84642a490c9fad486d7271041a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c0258342fb0eff42b5d37cbe42b6c89b.png)
②若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de42f52fe4cb94b197174f88e7b1b425.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de666db0febae223cc4d1dc189d71ca6.png)
③若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44c7c553d0f15facbbd2f35bc728d32b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13fecbd35aa1a6f16c4e6b75557189a9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de666db0febae223cc4d1dc189d71ca6.png)
其中正确结论的序号为
A.①② | B.①③ | C.②③ | D.③ |
您最近一年使用:0次
2019-06-07更新
|
1633次组卷
|
4卷引用:贵州省贵阳市第一中学2023-2024学年高一下学期教学质量监测卷(三)数学试题
贵州省贵阳市第一中学2023-2024学年高一下学期教学质量监测卷(三)数学试题人教A版 全能练习 必修2 第二章 第二节 2.2.2平面与平面平行的判定北京市平谷区第五中学2020-2021学年高二上学期开学考试数学试题(已下线)理科数学-2021年高考考前20天终极冲刺攻略(三)(课标全国卷)(5月26日)
名校
8 . 已知函数f(x)=
(x∈(-1,1)),有下列结论:
(1)∀x∈(-1,1),等式f(-x)+f(x)=0恒成立;
(2)∀m∈[0,+∞),方程|f(x)|=m有两个不等实数根;
(3)∀x1,x2∈(-1,1),若x1≠x2,则一定有f(x1)≠f(x2);
(4)存在无数多个实数k,使得函数g(x)=f(x)-kx在(-1,1)上有三个零点
则其中正确结论的序号为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2027a021b14e1dcf29fa38532580a318.png)
(1)∀x∈(-1,1),等式f(-x)+f(x)=0恒成立;
(2)∀m∈[0,+∞),方程|f(x)|=m有两个不等实数根;
(3)∀x1,x2∈(-1,1),若x1≠x2,则一定有f(x1)≠f(x2);
(4)存在无数多个实数k,使得函数g(x)=f(x)-kx在(-1,1)上有三个零点
则其中正确结论的序号为
您最近一年使用:0次
9 . 高斯函数是数学中的一个重要函数,在自然科学、社会科学以及工程学等领域都能看到它的身影.设
,用符号
表示不大于x的最大整数,如
,称函数
叫做高斯函数.给出下列关于高斯函数的说法:①
②若
,则
③函数
的值域是
④函数
在
上单调递增.其中错误说法的序号是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24a57996290794e082b21d8f1dfc322a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2ab85825d4a002600ca41bd3cd2ee7d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/471e1325f05057a5ac743b607efb7860.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8aacac2cf1dd70cc65b1ca535a32c316.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c759cee3f47c393a81ab9701113c7c57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f94345694d4215284c41f87146795ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b900d211f8333d4ae89b34e0d8399428.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e409849c921f4868c5a78abffb9f74bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f97a66437a1a77c82a91c7c8a2bcfa7f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/55eb3ed7ae7e26578f31146738a4e255.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03db4ea1dcb63b22cf4e917df5db581e.png)
A.① | B.② | C.③ | D.④ |
您最近一年使用:0次
10 . 给出下列结论:①
;
②若
,
是第一象限角,且
,则
;
③函数
图象的一个对称中心是
;
④设
是第三象限角,且
,则
是第二象限角.
其中正确结论的序号为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b37664d9e84e2f16dbdd9e559ed043c.png)
②若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90df641ab645927ee577e79faf18dcdd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/890105f677da9bf3d5483f5344065b35.png)
③函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61c793183ec51b2304e5f3eb0e422a15.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5717a16aa38dc3a7c44d784fbb68a535.png)
④设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85405bd65039926e32cba7ab699d7273.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b0e27121a582de019f7d539dbd95114.png)
其中正确结论的序号为
您最近一年使用:0次
2018-07-18更新
|
440次组卷
|
2卷引用:山东省济宁市兖州区2018-2019学年高一下学期期中数学试题