名校
解题方法
1 . 已知定义在
上的函数
满足
,且
,
,
,
.若
,
恒成立,则a的取值范围为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a43b2faa4f81f32d94612dce724e772b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9608e225be410173025d312aecd3ffa9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/673207f6b77b8192d25463d071737b7c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12165378c124c0a17ed6b7dbe253412c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33bd24e647a626899a243a3f3984f90a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/698cf53f76a1d637dfe2732d0a866eec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fad1dd76d5b72f10f5bb62693a2996f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1964cd8d0a7fb90ac34670bd66cf2c04.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2023-10-07更新
|
1061次组卷
|
6卷引用:安徽省合肥市长丰北城衡安学校2024届高三上学期期中数学试题
安徽省合肥市长丰北城衡安学校2024届高三上学期期中数学试题皖豫名校联盟2024届高三第一次考试数学试题皖豫名校联盟2024届高中毕业班高三上学期10月大联考数学试题(已下线)第六章 导数与不等式恒成立问题 专题六 单变量恒成立之参变分离法 微点2 单变量恒成立之参变分离后导函数零点可求、可猜、不可求型综合训练江苏省连云港市部分学校2023-2024学年高三上学期10月第二次学情检测数学试题(已下线)专题11 不等式恒成立、能成立、恰好成立问题【讲】
解题方法
2 . 已知定义域为
的函数
在区间
上为减函数,且函数
为偶函数,则以下错误的有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a43b2faa4f81f32d94612dce724e772b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/127aacea765b09f5110b3176493f0dd2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1822956539257b54c05eb8246c69bbf.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
解题方法
3 . 已知函数
是奇函数.
(1)求实数
的值;
(2)判断并证明函数
在
上的单调性,并求出
在区间
上的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/30cceea0a6c9f4616c5de95ec80d72b8.png)
(1)求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)判断并证明函数
![](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/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac9c64ba837387d640de4b8e2191b1b5.png)
您最近一年使用:0次
名校
解题方法
4 . 已知函数
,且
,则实数a的取值范围为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d08facae4241c8dee533dc14a5099780.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32720ff2b3f196348fdd1cded6eb05ab.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2022-12-13更新
|
1293次组卷
|
5卷引用:安徽省合肥市六校联盟2023-2024学年高一上学期11月期中考试数学试题
解题方法
5 . 已知
满足
,且
时,
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c90282d4a37c9a20620d4bbb0c263cae.png)
(1)判断
的单调性并证明;
(2)证明:
;
(3)若
,解不等式
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2cf4ef913337a554528e639e7619f767.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a71baf6217604517fd98fa97d0f55b43.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c90282d4a37c9a20620d4bbb0c263cae.png)
(1)判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd1db6c94b94afc372212a81cc1f4dd9.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91288f3376f00e3e4e37376c14f5c81d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ece93587e362661ea2864ca8a2a7e465.png)
您最近一年使用:0次
解题方法
6 . 已知函数
,
.
(1)若
,写出它的单调递增区间;
(2)若对于
的任意实数
,
都有
成立,试求实数
的范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a042ad04b27186c07477855c5bb94de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14cafe844188abab7764fd2914fcd571.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa4c355f11471a38f5583a434a1ddeb3.png)
(2)若对于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d91a5417b84f9437875ab6c0930d73fe.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/51d2bc98f7b9d513997d9212d143f7d5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
解题方法
7 . 已知函数
满足当
时,
,且对任意实数
,
满足
,当
时,
,则下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee97d8c31054a7150199058bc7b45cb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d752d8db8a05b3ec7312f6ac8b64a07.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/3a054afa63d9ce48a3a287913fe0fabe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33bd24e647a626899a243a3f3984f90a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f27822887caad20f3a075ca2fb74155c.png)
A.函数![]() ![]() |
B.![]() ![]() |
C.函数![]() |
D. ![]() |
您最近一年使用:0次
2023-01-01更新
|
616次组卷
|
4卷引用:安徽省合肥市肥东县综合高中2022-2023学年高三上学期11月期中考试数学试题
解题方法
8 . 已知
且
,且在区间
上有
恒成立,则实数
的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b04ad42c263d86704add0e4b1c0f6980.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37fa1476cf3552b9ae91ef039b1c6c80.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77a89be1009f96de083175f681f6ae1d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5c36d7cded7df11adaf096ede75d420.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
名校
解题方法
9 . 已知函数
的定义域为
,对任意的
,都有
.当
时,
,且
.
(1)求
的值,并证明:当
时,
;
(2)判断
的单调性,并证明;
(3)若
,求不等式
的解集.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73254f32b6da29ecc32df2e9f87a4c97.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/533aa2b33c4100811d751c5c134682db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e541ea2f855f981c96207070683d388.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d752d8db8a05b3ec7312f6ac8b64a07.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/324286813887f7274192afcc3ab5a896.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e38fffbc7ab9882480f4faa72390e23.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6be4ab7d32ed15c176c550d8543ab369.png)
(2)判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f57457379efecec3a8f98377bc5c65d5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9c47e9cf2c1fecda6f758bbd78ad517.png)
您最近一年使用:0次
2022-12-12更新
|
501次组卷
|
8卷引用:安徽省合肥市庐江第五中学2023-2024学年高一上学期期中测试试题
名校
解题方法
10 . 已知函数
.
(1)用单调性定义证明函数
在
上为减函数;
(2)求函数
在
上的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e7579538fb743c1e29f3afa2e4ca60b.png)
(1)用单调性定义证明函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/afa482d7bcaa385bfc3548b42a4bfb60.png)
(2)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6c1756b564bf1d998d8179637011c88.png)
您最近一年使用:0次
2022-10-31更新
|
789次组卷
|
5卷引用:安徽省合肥世界外国语学校2022-2023学年高一上学期期中数学试题