名校
1 . 已知函数
,其中
.
(1)判断
的奇偶性(直接写出结论,不必说明理由);
(2)当
时,比较
与
的大小;
(3)若函数
有三个零点,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27cfd4498a1cc658b943061497345f5e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22dd8b3dc4c609bab82d356a5cc2208d.png)
(1)判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20849c00c47cbdc43f18d53341b6c4e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57e23b3e7a3bae640c314bc9347ff67f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c95b6be4554f03bf496092f1acdfbb89.png)
(3)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/123d2a9d1c04f94c4219ad15f6d6fdd6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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名校
解题方法
2 . 已知函数
若
,且
,则
的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/daeb462fc3e5427f9687bff7142323d0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1310a7a80d1f8751a3f8cafe7f8c8b4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2e45e961dd36b8f85703c91f248da3b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec0e2a7f260009c1444c8c9e5f494837.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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解题方法
3 . 已知
,
分别是方程
和
的根,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/934d37c81b2266c7b86bcc11afaf5f91.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21ce62cb82012f3746fe0ca1280bcb0a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ddb50d819aba08326c4b91f5085d86a9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/934d37c81b2266c7b86bcc11afaf5f91.png)
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解题方法
4 . 请写出满足以下两个条件的一个函数:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ba99a5c5661eedaef4b36ade1a7c5c5.png)
__________ .①
,都有
;②
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ba99a5c5661eedaef4b36ade1a7c5c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3881fa7fc347ccb2d46de69dc041907d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa10bae6ce6e91bf99c580d102947b46.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/654142e48615cd3b9af111a8020ffbd0.png)
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5 . 已知集合
,则集合
与
的关系是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b8f4cbaa24fb8d2f502ec92bfc89677.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
A.![]() | B.![]() ![]() | C.![]() ![]() | D.![]() ![]() |
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6 . 已知
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4753f4a4456d0df13843b71015bfa14.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/282abea3737e9f30c612f5ac0b78b600.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4753f4a4456d0df13843b71015bfa14.png)
您最近一年使用:0次
2024-03-20更新
|
381次组卷
|
3卷引用:福建省龙岩市2023-2024学年高一上学期期末教学质量检查数学试题
名校
7 . 设
是定义在
上的偶函数,对任意
,都有
,且当
时,
,若在区间
内关于
的方程
恰有3个不同的实数根,则
的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a43b2faa4f81f32d94612dce724e772b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24a57996290794e082b21d8f1dfc322a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3170408d3830e3eecd4fc0ecf5aaffb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54297d09c19f29d92463d21928998266.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a243bea3f4299af8c894dc19ad878f6e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c875f29cf3499a0f38f8c5219eb074ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f75c566c93f5e6b37dea153a07422be4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2024-03-19更新
|
225次组卷
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2卷引用:海南省海南中学2022-2023学年衍林杯学科竞赛高一下学期数学一试试题
8 . 若函数
的定义域为
,
,则
的定义域为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ead3fdcb8fe8f5eb3dbe7d96cabc28b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4005ed2239af91ea7f298e1876f45da8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46be55c8f2760d6db125f46691a3de48.png)
您最近一年使用:0次
名校
解题方法
9 . 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)
您最近一年使用:0次
2024-03-14更新
|
214次组卷
|
2卷引用:第十四届高一试题(B卷)-“枫叶新希望杯”全国数学大赛真题解析(高中版)
10 . 函数
,则
的值为( ).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea5d2b464427f13a5b8f458bc09ce5fd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f29be96f2122939fe605813f2f3e9276.png)
A.2012 | B.![]() | C.2013 | D.![]() |
您最近一年使用:0次
2024-03-14更新
|
369次组卷
|
4卷引用:第九届高一试题(B卷)-“枫叶新希望杯”全国数学大赛真题解析(高中版)
第九届高一试题(B卷)-“枫叶新希望杯”全国数学大赛真题解析(高中版)云南省文山州砚山县第三高级中学2023-2024学年高二下学期4月半月考数学试卷 (已下线)第一章数列章末十六种常考题型归类(3)(已下线)专题07 数列通项公式与数列求和--高二期末考点大串讲(人教B版2019选择性必修第三册)