名校
解题方法
1 . 命题
,命题
函数
且
在
上单调,则
是
的( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e04d795dfbbc8d43c3507a679f8caec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce20ef9c08e82df8c7f45bac6dd31d36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46f90c36a5979a1700b4e1f4b127d41c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37fa1476cf3552b9ae91ef039b1c6c80.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56ec5e0de82f13e711b23f9ae37cdac3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
A.充分不必要条件 | B.必要不充分条件 |
C.充要条件 | D.既不充分也不必要条件 |
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名校
解题方法
2 . 若函数
在
上单调递减,则实数
的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5a5a25007d5b2e2ccf7bd3d42f3d6b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a43b2faa4f81f32d94612dce724e772b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2024-05-14更新
|
1075次组卷
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4卷引用:陕西省铜川市2024届高三第三次模拟考试理科数学试题
陕西省铜川市2024届高三第三次模拟考试理科数学试题(已下线)专题3 2个二级结论速解函数概念问题湖南省长沙市明德中学2023-2024学年高二下学期5月阶段性考试数学试题(已下线)2024年新高考1卷第6题(精细化解析)
解题方法
3 . 已知函数
的定义域为
,若存在
,满足
,则实数
的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b54839668b67db018b6669128219a9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0408b9502dcc197dcf528337ef0b617b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b90a9c4f1370f3c8bcbf0ef8a55d2bda.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b9d4b3187917982df25569dc34154c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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名校
解题方法
4 . 已知函数
为偶函数,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4d358d2773c5f06e5666e2b027d13b6.png)
(1)求实数k的值;
(2)若
,
,使得
恒成立,求实数m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f417ad4d20e6babec667613d5ec7db38.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4d358d2773c5f06e5666e2b027d13b6.png)
(1)求实数k的值;
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fd86bd5c9b9153e589de2c95e9f02b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e6d1ab7e8a09f5d8ee9586dc760a876.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f690eb60c4bdd0cb1dce165ccff2452.png)
您最近一年使用:0次
2024-02-05更新
|
316次组卷
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2卷引用:湖北省武汉市5G联合体2022-2023学年高一上学期期末考试数学试卷
5 . 已知
,则下列正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9080f3a6d613d1f116406e66d5dde87f.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
6 . 对于函数
,记所有满足
,都有
的函数构成集合
;所有满足
,都有
的函数构成集合
.
(1)分别判断下列函数是否为集合
中的元素,并说明理由,
①
;②
;
(2)若
(
)是集合
中的元素,求
的最小值;
(3)若
,求证:
是
的充分不必要条件.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/264f35bf099b45c499c9529f61ce8579.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9c7d35c770f126de82f6160bcfff0ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08d928af44759824e38d2254270b1e55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad5ceb8c88f1b42f009d17854744d208.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(1)分别判断下列函数是否为集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d01cb00904ee16178c7c35d7e0a8d3e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b1c079afd1b058adc67a50f48f3d466.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba87ca31345dd12f5604d35f3c326a40.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce3a34d6f60032718820c3da2b07786b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c532b5af7b88f1c21a7584cfac5fea6c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cfcd04b625189228b6d697edf095f7c3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/414c7ae60baeadabe19cd4a953522437.png)
您最近一年使用:0次
名校
解题方法
7 . 已知函数
,
.
(1)若函数
在
上单调递增,求实数
的取值范围;
(2)用
表示
,
中的最大值,设函数
,
,试讨论
的图象与
轴的交点个数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd43bf38bf6c3fa4bc5b8ffb746fcb63.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9f049a5f960728c60a909821b2404b.png)
(1)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cbfc6f997f5465c88d68dde7fd874fe4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5d6243e93c41978871cb23d8e66148d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)用
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f98aab692b27cfc120481faa6525474d.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/c7225c625819b7bfeb393a377ec2d74a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66692ec49a458f9e48c7315d03dfc37b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a813b5adbf5c7082561237894ba6d599.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
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2024-01-17更新
|
490次组卷
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2卷引用:重庆市第八中学校2023-2024学年高一上学期期末考试数学试题
解题方法
8 . 下列说法正确的是( )
A.函数![]() ![]() |
B.关于![]() ![]() ![]() ![]() |
C.若正实数a,b满足![]() ![]() ![]() |
D.若函数![]() ![]() ![]() ![]() |
您最近一年使用:0次
名校
解题方法
9 . 已知函数
.
(1)若
的定义域为
,求实数a的取值范围;
(2)若
在
上单调递增,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a6a5e6cb2adc544b8a0c0b32727efa6.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a43b2faa4f81f32d94612dce724e772b.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/940acd97c9f6cdc3b3f9b12babd8032b.png)
您最近一年使用:0次
2024-01-10更新
|
278次组卷
|
5卷引用:甘肃省庆阳市环县第一中学2023-2024学年高一上学期期末数学试题
名校
10 . 已知
在
上为减函数,则实数
的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f3a243765b09252f496f7878d6089a89.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cda591d3909af06eabf6b37c65bfe571.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2024-05-08更新
|
876次组卷
|
3卷引用:湖南省长沙市周南中学20232-2023学年高一下学期期末考试数学试题