1 . 已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a250e21cc51732becc463ce19c3be557.png)
(1)当
时,求
的单调区间,并证明此时
成立;
(2)若
在
上恒成立,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a250e21cc51732becc463ce19c3be557.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22e38c541dec8fce1d26886e5ef7d21f.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22e38c541dec8fce1d26886e5ef7d21f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93be186fe5eaaf611ddf792b8878b2d4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
解题方法
2 . 设
是定义在
上的奇函数,且对任意
,当
时,都有
.
(1)若
,试比较
与
的大小关系;
(2)若
对任意
恒成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8b6894e8c345a035e89ec672503a01f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83eb829e3338a9e4be598124855685e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96bc2eeaca8a8ce4bcce2bff011a11bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27b1d1045e68ab48ce8b2bbb695c8c90.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/432d77fe5ad3032d59a237dd94c8a638.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0937b0200a46ee5cdeb6256a0991615.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c150fedd99f80d34cff3e7dc4418ddff.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6995fc1ed2a61c4377be2019cbfd01b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1198e1f5033eb1780d1e98d36f93d58a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
您最近一年使用:0次
2017-02-16更新
|
645次组卷
|
2卷引用:【校级联考】江西省上饶市“山江湖”协作体2018-2019学年高一(上)第三次月考数学试题
14-15高三上·浙江温州·期中
名校
解题方法
3 . 已知函数
.
(1)若函数
为偶函数,求
的值;
(2)若
,求函数
的单调递增区间;
(3)当
时,若对任意的
,不等式
恒成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b66727de73bdb89a3cce558372ca7301.png)
(1)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/200f24e682c93e02a87f3f9d57dc5d40.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
(3)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b916c6d3fb2fdc67421489f207c93903.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c989623de36d03965b327d2e49c31b80.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2016-12-03更新
|
2661次组卷
|
5卷引用:【全国百强校】江西省高安中学2018-2019学年高一上学期期中考试数学试题(B卷)
2012高三上·上海·学业考试
名校
4 . 已知函数
,其中
.
(1)当
时,设
,
,求
的解析式及定义域;
(2)当
,
时,求
的最小值;
(3)设
,当
时,
对任意
恒成立,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68663c9cdbdb9585a5aba78e86199361.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8e14206c7d228a7c2259a7b27da8813.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4287e3fbd7910c03606ab99d69ecc669.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/763430588d2176dcf51cffa8940109b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1510dd289cf6a899f2d817ca5b6782e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/514b4a1384404b2b846db12d7d1e8008.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4287e3fbd7910c03606ab99d69ecc669.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb0d7fbcc396c7b646c31f60e32d9e76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(3)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f0d68648b10fce54dfc19c5ee60086d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20ed481b54b7b8c776bedb8b76346590.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04b1499e806c0cac5417dc62702c7df8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e207cf62e3a7e282eac4c4a3455bbf9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
您最近一年使用:0次
2016-12-01更新
|
2129次组卷
|
3卷引用:江西省景德镇一中2019-2020学年高一上学期期中(1班)数学试题
江西省景德镇一中2019-2020学年高一上学期期中(1班)数学试题江西省三市八校联盟2023-2024学年高一上学期期中大联考数学试卷(已下线)2012届上海市十三校高三上学期第一次联考试题文科数学