1 . 已知数列
的各项均为正整数,设集合
,
,记
的元素个数为
.
(1)若数列A:1,3,5,7,求集合
,并写出
的值;
(2)若
是递减数列,求证:“
”的充要条件是“
为等差数列”;
(3)已知数列
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7f885247785940c5c849210fb6f8abc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4884c506476f191d7919cd266c8c0212.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/47a0c2bb484bf523189b093485eca999.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c1ff5cb5a9d88ed7db2c06683c3e355.png)
(1)若数列A:1,3,5,7,求集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c1ff5cb5a9d88ed7db2c06683c3e355.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3197c615558fee3993d2a8deb9091f0a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(3)已知数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5d509697c5391a7c24d9bbc2c82422b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ff241fc46c23ac975c5b39e87a9e46a.png)
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2024-04-19更新
|
331次组卷
|
4卷引用:吉林省长春市长春吉大附中实验学校2023-2024学年高二下学期5月期中考试数学试卷
吉林省长春市长春吉大附中实验学校2023-2024学年高二下学期5月期中考试数学试卷黑龙江省双鸭山市友谊县高级中学2024届高三下学期高考模拟(一)数学试题(已下线)2024年北京高考数学真题平行卷(基础)(已下线)集合与常用逻辑用语-综合测试卷B卷
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解题方法
2 . (1)已知二次函数
满足![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c292ad5ab432ba87d945d952ae84d2b8.png)
,且
,求
的解析式;
(2)已知
是
上的奇函数,当
,求
的解析式.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c292ad5ab432ba87d945d952ae84d2b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac200a9106723cd0d4749339ea677e5d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51eb2613dda00677d447c986cac505bc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed3f754a17f348f21dfc07fe729bcf60.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
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名校
3 . (1)计算:
;
(2)若
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9343981cb5714d905c3d3d3ce813556d.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d873727b837fd3acdce4aa0fcdfbe54d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cbc0debc92674a63d453efc9ff5079c0.png)
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4 . (1)计算:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a35d6c9bd23a6ff097c27391cf51f4c.png)
(2)求下列式中的
的值:
;
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a35d6c9bd23a6ff097c27391cf51f4c.png)
(2)求下列式中的
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a5e0c6462e32865cc17c0364457fc4d.png)
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2023-12-20更新
|
955次组卷
|
3卷引用:吉林省长春市第八中学2023-2024学年高一上学期期中数学试题
吉林省长春市第八中学2023-2024学年高一上学期期中数学试题山东省枣庄市市中区辅仁高级中学2023-2024学年高一上学期11月月考数学试题(已下线)【第二练】4.3.1对数的概念+4.3.2对数的运算【第二练】上好三课,做好三套题,高中数学素养晋级之路
23-24高一上·吉林长春·期中
名校
解题方法
5 . 已知函数
是奇函数,且![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0800a4719f317f1cbdaacf5710a90dd0.png)
(1)求实数
的值;
(2)判断
在
的单调性,并加以证明.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d94c146cdde417c7d16aa5af9125635.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0800a4719f317f1cbdaacf5710a90dd0.png)
(1)求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/280860dd039e1305a5ccc455f63e8223.png)
(2)判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e10140ab3cdc13d710a65b2287c892b.png)
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23-24高一上·吉林长春·期中
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6 . 已知点
在幂函数
的图象上,点
在幂函数
的图象上.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/16/86d53027-46e1-43e2-b451-b0a2ac02e60e.png?resizew=142)
(1)求出幂函数
及
的解析式;
(2)在同一坐标系中画出
及
的图象;
(3)观察(2)中的图象,写出当
时,
的取值范围(不用说明理由)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fab62bb6f70516a2f58a977dd3b84d60.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c95ef46a2c3d83c0ffa86441eca6376.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/028517e8bebe634441e0a5c79828e88a.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/16/86d53027-46e1-43e2-b451-b0a2ac02e60e.png?resizew=142)
(1)求出幂函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/028517e8bebe634441e0a5c79828e88a.png)
(2)在同一坐标系中画出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/028517e8bebe634441e0a5c79828e88a.png)
(3)观察(2)中的图象,写出当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa22016a383b28f32abda7dc24bb17b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
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7 . 已知定义在R上的函数
同时满足下面两个条件:
①对任意
,都有
;
②当
时,
.
(1)求
;
(2)判断
在R上的单调性,并证明你的结论;
(3)已知
,若存在
,使得不等式
成立,求实数m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
①对任意
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5ab4b75fa22deba7fcbcdcb31dd45b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0576d51e84ecafa085161203ec8b21f9.png)
②当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9908550681ac5694853afa2c340e4ee2.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e38fffbc7ab9882480f4faa72390e23.png)
(2)判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(3)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20c00ef074dec4b10ae00ba009a3d854.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/998485ffeb46a0412ff1a0f814429257.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7454f5d5ef305645d3a8f36ff59ba4a4.png)
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8 . 计算下列各式的值:
(1)
;
(2)
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/858b60ae9ee108a179a66ee8fbfe3a89.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/780bde93d414172792766cec9484c397.png)
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解题方法
9 . 设函数
(
且
)是定义域为
的奇函数.
(1)求k的值;
(2)若
,求使不等式
恒成立的t的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73397a4170d1e04d56816967ceded842.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/cf3ed15aa3dcc4211fb520b5b942c989.png)
(1)求k的值;
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04d8742c296a7949b598114a34c51f69.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1deaa2cfe2d67a2a85e4479dc8c86856.png)
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10 . 化简求值:
(1)
;
(2)
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4045d468d36abdaef783a2826977522f.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64c4c6e9c539278c87b03f708a39ba09.png)
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