名校
1 . 已知不等式
的解集为
,若
中只有唯一整数,则称A为“和谐解集”,若关于
的不等式
在区间
上存在“和谐解集”,则实数
的可能取值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/018857ec6e498113b3b12a730d9313da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8870876779e79db7033f2617b8535eb2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/083479b94380e8d659eff92d10a1989d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2023-02-06更新
|
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5卷引用:河北省衡水中学2023届高三上学期三调数学试题
名校
解题方法
2 . 已知命题p:关于x的不等式
的解集是
,命题q:函数
的定义域为R.若
是真命题,
是假命题,求实数a的范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/755f08f72660a91e1618c1b96f73b5cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad916a0d34a46b357daf390bac6b723.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63cf3b2b1b982ecf18c5f02d963c6c43.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f675824e539f50cec53120959d32e554.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c13472bf0353e16784a22e1f890fba40.png)
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2017-02-16更新
|
597次组卷
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7卷引用:2017届福建福州外国语学校高三理上学期期中数学卷
名校
3 . 已知函数
.
若
的定义域为R,求a的取值范围;
若
,求
的单调区间;
是否存在实数a,使
在
上为增函数?若存在,求出a的范围;若不存在,说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/922c30e06beb87ef0abcf8b4609503ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4141b26d2c32655003494a91ad6331b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d479a86a1711709b2d100fe4daf3e7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65863c1abad833b79c303bfca24f535c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7d9154c848ed222464b05f8d4c09fa5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d479a86a1711709b2d100fe4daf3e7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4bb89a362c1faf4d0c306eabbb59710.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d479a86a1711709b2d100fe4daf3e7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/102e69ccf93eb1e3b3b8d147f44659a3.png)
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2019-12-18更新
|
938次组卷
|
6卷引用:广西兴安县第三中学2019届高三上学期期中考试数学试题
名校
4 . 若![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d0937f5a8ad2afa56381cc9d584f6d3.png)
(1)当
时,设
所对应的自变量取值区间的长度为
(闭区间
的长度为
),试求
的最大值;
(2)是否存在这样的
使得当
时,
?若存在,求出
的取值范围;若不存在,说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d0937f5a8ad2afa56381cc9d584f6d3.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77bd2b5113133614c6ee86d670953565.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0e669d502287cab6a74d72fb4aa1ed6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65185cb5d67a482a7c86afc70fdbd230.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64da75a02173c2a5eb40f4c68d0f4f36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
(2)是否存在这样的
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34ede5cb0407ac7f334a726eeac5d89c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a916b565f017ddad96d04077568bbf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0e669d502287cab6a74d72fb4aa1ed6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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5 . 已知函数
.
(1)若关于
的不等式
的解集为
,求实数
的值;
(2)当
时,若存在
,使得不等式
成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7643bf1567bcd43c342ec1b1414de23a.png)
(1)若关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f66d61d5f66d68b4c4a2a25fd7103621.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/526667c2e8047949b3c5b3c383fe3291.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e65397f11ea8af736f38debadf420c4a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24a57996290794e082b21d8f1dfc322a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e9a910f7e6b11accb64b81bcfdef480.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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解题方法
6 . 设函数
是定义在
上的函数,并且满足下面三个条件:①对正数
都有
;②当
时,
;③
.则()
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d562dc22dfb3b81d0c3f88b54d063c2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b0fffbec1fe851795dfdd448bf0d165.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25bea6d14c16f7c06e4e028f36131360.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fde64f4d3c38e43fbdee24eadc4b0dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c73a98c1b3504e09bfbe0db849b0d24.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e4ae31cf7c872f16496cfb1eec47739.png)
A.![]() |
B.![]() |
C.不等式![]() ![]() |
D.若关于![]() ![]() ![]() ![]() |
您最近一年使用:0次
名校
解题方法
7 . 设函数
是定义在
上的函数,并且满足下面三个条件:①对正数
,
都有
;②当
时,
;③
.则下列说法不正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d562dc22dfb3b81d0c3f88b54d063c2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25bea6d14c16f7c06e4e028f36131360.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fde64f4d3c38e43fbdee24eadc4b0dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c73a98c1b3504e09bfbe0db849b0d24.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e4ae31cf7c872f16496cfb1eec47739.png)
A.![]() |
B.![]() |
C.不等式![]() ![]() |
D.若关于x的不等式![]() ![]() ![]() |
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2023-06-19更新
|
858次组卷
|
7卷引用:江西省宜春市丰城市第九中学2024届高三上学期开学考试数学试题
江西省宜春市丰城市第九中学2024届高三上学期开学考试数学试题广西壮族自治区防城港市2022-2023学年高一下学期4月期中数学试题(已下线)3.2.1 函数的单调性(精练)-《一隅三反》(已下线)第08讲 第三章 函数的概念与性质 章节能力验收测评卷-【帮课堂】(已下线)3.1.2 函数的单调性(第1课时)(分层练习)-高一数学同步精品课堂(人教B版2019必修第一册)广东省深圳市福田区红岭中学2023-2024学年高一上学期第一学段考试数学试题(已下线)模块二 专题1《对数函数及其应用》单元检测篇 B提升卷 (人教A)
名校
8 . 设函数
,若
,则不等式
的解集是__________ ;若函数
恰好有两个零点,则
的取值范围是__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b7e15850e706d8b28f579ff818081f96.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88c9c39efc53af82fec6d9cf76db5afa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/914c67ddd60c47e91783929c8bdf8ba8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35821eae71dfea3b136fe7ee19944a37.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
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2023-08-31更新
|
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|
4卷引用:河南省TOP二十名校2023-2024学年高三上学期调研考试一数学试题
9 . 已知函数
.
(1)求不等式
的解集;
(2)若不等式
的解集非空,求实数m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e99fc9c920cad0fd4fab2b56fb18a300.png)
(1)求不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d752d8db8a05b3ec7312f6ac8b64a07.png)
(2)若不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2544a1a597724b21419e7897721d2220.png)
您最近一年使用:0次
名校
10 . 若
,且
的解集为
,则
的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1baad002d495986a82c22b71040ecc34.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6acb0f1ac694dd177e99fc385f23318.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f3b2856045b940760ebabe6606df19a6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2022-09-14更新
|
754次组卷
|
5卷引用:重庆市第一中学校2023届高三上学期9月月考数学试题