名校
1 . 已知数列
满足:
,前
项和为
,则下列选项中正确的是(参考数据:
)( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76aef4cdcb5af742ce28003b7b6c8c20.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db71cf1f67d88727c1e02de120c462dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e89e8921bb17bb0bcd222bc71f5397b.png)
A.![]() |
B.![]() |
C.![]() |
D.![]() ![]() |
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名校
2 . 已知
,函数
,下列结论正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d33da711e50e96568facb18cef27165.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e6404cd8d3bb839cccf6e4176c8fb9a.png)
A.![]() |
B.若![]() ![]() ![]() ![]() |
C.若函数![]() ![]() ![]() |
D.若![]() ![]() ![]() |
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2024-04-11更新
|
370次组卷
|
3卷引用:河南省南阳市西峡县第一高级中学2023-2024学年高二下学期第一次月考数学试卷
名校
解题方法
3 . 已知函数
,记
.
(1)若
,求实数
的值;
(2)若存在
,使得
,求实数
的取值范围;
(3)若
对于
恒成立,试问是否存在实数
,使得
成立?若存在,求出实数
的值;若不存在,说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27aa606ab53add37228ae3bdfc08e82a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8695a6e741f6ac1c61ff13663ec407c.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d01cb44e5c01e13ce956c847eb1f6055.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
(2)若存在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b015c5de7880eebc4f5d7d02755ce4ce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b56a0bc723618e7cdac994882c807bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c0527a896aec4a245945e5edee00deed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66692ec49a458f9e48c7315d03dfc37b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01842a2319e17537bc3a2efa4c6c0cc4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
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2024-03-14更新
|
209次组卷
|
2卷引用:广东省惠州市第一中学2023-2024学年高一下学期第一次阶段考试数学试题
名校
解题方法
4 . 若函数
对定义域内的每一个值
,在其定义域内都存在唯一的
,使
成立,则称该函数为“和一函数”.
(1)判断定义在区间
上的函数
是否为“和一函数”,并说明理由;
(2)若函数
在定义域
上是“和一函数”.
①求
的值;
②求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.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/abea75a25495fc2a9637c818e9392eec.png)
(1)判断定义在区间
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d45793b96fcc2aa90c8555b1c5157af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11ede389b43c78417912542746d91d00.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/518f497d350fef9331d7082b09b0b9be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ca6d68f1de3e70696f1d5d60affe6ef.png)
①求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18f0281e6bbdbe08beeccb55adf84536.png)
②求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4350514c24acc1943867a341199725d1.png)
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名校
解题方法
5 . 设函数
的定义域为
,且满足
,则不等式
的解集是_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/edc4679a8360516b33a3cb9e86ab25b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/390c620c0fd4a2cd8622171bdaf05f5d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0ec6c59e1ce704a29d76726e2674129.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ccd1f61519643b2a62367079f19c6c22.png)
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名校
6 . 已知函数
,
.
(1)求函数
在区间
上的最小值;
(2)若函数
,且
的图象与
的图象有3个不同的交点,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1462a1906c6bc21913902ea0e4a7ff4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49723fcae368064d6e4d44fa4bad1ae4.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77e694d52a084565a4cc3d689d4a32e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7242b2ab643f9470da77e29d043b893.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84b58435e488fb30016f2109f4ff060b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/203dba0b34d75467e6a0d283d29f5ff5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98f4ab890a5f38debf3a5ceb1648ed1e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
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2024-01-24更新
|
272次组卷
|
2卷引用:四川省德阳市第五中学2023-2024学年高一下学期4月月考数学试题
名校
解题方法
7 . 已知函数
.
(1)若
,求方程
的解集;
(2)当
时,求函数
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/629721dcaec2afed82c62ad2a5da91fc.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf0086b054ef120408acac806a1b1318.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d8b002680c476b8323c4b67e8bc999e.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad814089e37543b2f547af9ae75b6dd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
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名校
8 . 对于正整数
,函数
定义如下:
对于实数
,记方程
的不同实数解的个数为
,求使得函数
的最大值为4的所有正整数
的和为___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab9ea375c58fdc6611d86512b7284b82.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/976d18a5396ba232f0aa38d136f1d749.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a82a1224e47f31ecdfffd328d5a3ab6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a82a1224e47f31ecdfffd328d5a3ab6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
您最近一年使用:0次
2022-12-27更新
|
471次组卷
|
3卷引用:重庆市三峡名校联盟2022-2023学年高一上学期秋季联考数学试题
名校
9 . 已知
为定义在R上的奇函数,当
时,有
,且当
时,
,关于
下列命题正确的个数是( )
①
②函数
在定义域上是周期为2的函数
③直线
与函数
的图象有2个交点 ;④函数
的值域为![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d188ec2580e273ce87e51653a2177ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6e2e79843faf62dde86bf858d1e0569.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275815073d040d04fe4820f9841b78d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18d31d07e0e178dd81de9ab409d9475e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f52f6ee8ead43c46f73102b87a2d943.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27f3dd694cb82a9a23dcb7da7584d381.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
③直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d77f5191798242b7b9b88a75e17e4425.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/9d188ec2580e273ce87e51653a2177ee.png)
A.1个 | B.2个 | C.3个 | D.4个 |
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2022-10-30更新
|
918次组卷
|
3卷引用:陕西省渭南高级中学2021-2022学年高一下学期第三阶段考试数学试题
陕西省渭南高级中学2021-2022学年高一下学期第三阶段考试数学试题甘肃省兰州第一中学2022-2023学年高一上学期期末考试数学试题(已下线)高一上学期期末考试选择题压轴题50题专练-举一反三系列
名校
解题方法
10 . 已知函数
,
.
(1)若
,求函数
在
的值域;
(2)若
, 求
的值;
(3)令
,已知函数
在区间
有零点,求实数k的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dfc59e88149b506865a18f249c56f68.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89a768cc949e4d1ca3effaa7f82b2156.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/926b791b23dce655cb9230b416c0c42a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46be55c8f2760d6db125f46691a3de48.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b66ef59c3970f3581a5ea29e21fd564d.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08e4e14e7cce3bcd0371d32858b0a2c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fdaaf67e089d2dd8468fbaba13d01b52.png)
(3)令
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bd673989599f75a17432411e7675ed5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89e593828316139a54019e352dec883f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2dccf1f9faac56117d6d3dd1dddd286d.png)
您最近一年使用:0次