解题方法
1 . 已知函数
,若
,则
的值可以为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ad4eaa93bef98c3653c31297ee8dda7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a315f9266c68412db8cab8698e8b570.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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解题方法
2 . 函数的性质通常指函数的定义域、值域、单调性、奇偶性、零点等.已知![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05b768fd17982b07fc369d72e1049807.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/30/5d557983-b0d7-4fc0-a63d-8f37b8e47c68.png?resizew=216)
(1)研究并证明函数
的性质;
(2)根据函数
的性质,画出函数
的大致图象.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05b768fd17982b07fc369d72e1049807.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/30/5d557983-b0d7-4fc0-a63d-8f37b8e47c68.png?resizew=216)
(1)研究并证明函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0afb80007983e5b99dcdeebf87d18ff4.png)
(2)根据函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0afb80007983e5b99dcdeebf87d18ff4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0afb80007983e5b99dcdeebf87d18ff4.png)
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3 . 已知函数
.
(1)判断函数
的奇偶性,并说明理由;
(2)判断函数
在R上的单调性,并用单调性定义证明.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7135d3d74bfe887e7d7e0a3d2bfdd7bd.png)
(1)判断函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)判断函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
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解题方法
4 . 定义在
上的函数满足
,且
,
,则下列结论中正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d562dc22dfb3b81d0c3f88b54d063c2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/190649f360b708442e21c45354a4aec5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/807565d0652b6e986e675ef692b02503.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8a9be228251278762249069a3a929e4.png)
A.不等式![]() ![]() |
B.不等式![]() ![]() |
C.不等式![]() ![]() |
D.不等式![]() ![]() |
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名校
解题方法
5 . 函数
(
且
)是定义在R上的奇函数.
(1)求a的值,并判断
的单调性,并证明;
(2)若存在
,使得
成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d8b85ce9b066e972f9e94f1b9932b06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c400a615a16a1662de98dfb4e49d58d3.png)
(1)求a的值,并判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)若存在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b008beb08962361a5e035b2989c4d5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef92f9154725b84be418f9e73ca1d33f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
您最近一年使用:0次
2024-01-30更新
|
461次组卷
|
3卷引用:广东省广州二中2023-2024学年高一上学期期末数学试题
名校
6 . 若函数
,在
上是增函数,则实数a的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42087914d6db02cf7193e9388b96ff79.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2024-01-30更新
|
676次组卷
|
3卷引用:广东省广州二中2023-2024学年高一上学期期末数学试题
7 . 已知函数
.
(1)当
时,不等式
总成立,求a的取值范围;
(2)试求函数
(
)在
的最大值
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b39c5d66018f0736a0457961c91e1c0.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d05e628c2f39ff7c784b0b218f4da2df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9e8419522813a2011950f6c702e0f04.png)
(2)试求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0723c54b45bdee5cab7c4fce566a6052.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08290af79305df59bc0a1fc2b7c4f7c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e208a9fea2042a54654fd8b76e064087.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b71d95f5c9873b048f558c3b8b50529.png)
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8 . 设集合
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bb5b274532d27338678313051e4dc08.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f720c82121e8bc12c2f61c5e76737871.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95e60375f97ff7854f4d3a8b1108d2e3.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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解题方法
9 . 已知函数
是R上的减函数,
,
是其图象上的两点,那么
的解集是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a16a46f03535c5af872fa8fa9f21a431.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd5fb552c79ab5d45b0aeafc06e58542.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e92cd35e63e82a6a9470b27d0616c30.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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解题方法
10 . 函数
的图象经过一、三、四象限,则a的取值范围是____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b7760003197ff225601d86fc52618826.png)
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