解题方法
1 . 下列判断正确的是_____ (把正确的序号都填上).①函数
与
是同一函数;②若函数
在区间
上递增,在区间
上也递增,则函数
必在
上递增;③对定义在
上的函数
,若
,则函数
必不是偶函数;④函数
在
上单调递减.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/638f348ade850a34a3f0767aed4e6ae0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dcac577a6ba2ca0130606eb80a83a7f0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abbd459e55bbcd421f97c54ea4f0b57b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f35e2fa5645c68b5fefec414753a6f09.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/933093b52cca887f597cbe22a5467b11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7da3a6d011679952771607b3a166676b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e7d982c1fb07e098c6292bc711a5f49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77c9320d009a17deba67f208c7d8be8c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62efb99971badf1c07858a6eb3828edf.png)
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2 . 若函数
,定义域为
,下列结论正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d2883ab35069e096ce684c22f76bf16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
A.![]() ![]() | B.![]() ![]() |
C.![]() ![]() ![]() | D.![]() ![]() |
您最近一年使用:0次
2023-12-20更新
|
331次组卷
|
2卷引用:山东省济宁市邹城市2023-2024学年高一上学期11月期中教学质量检测数学试题
解题方法
3 . 已知函数
.
(1)若
时,求函数
的定义域;
(2)若对
时,函数
均有意义,求实数a的取值范围;
(3)若函数
在区间
上为减函数,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97fcbbeeb27dc0fdffc53688f8d2aad9.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e10e1c43b86a8cd4360ca9b57232164.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若对
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb61c076c156542dd4105842eefbf382.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(3)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0109d06b8be2e402b5ffbb0aeb501009.png)
您最近一年使用:0次
2023-12-20更新
|
136次组卷
|
2卷引用:山东省聊城市2023-2024学年高一上学期期中数学试题
4 . 下列函数中,函数值
随
的增大而减小的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
解题方法
5 . 已知函数
是R上的偶函数,
,当
时,
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd025cc63f2ed81923d26865880a5fd6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2052f7edcf9d82a951fba1bc006e3846.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54297d09c19f29d92463d21928998266.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29c2ff5dc1be3798c115c80b58eba7f0.png)
A.![]() ![]() | B.4是![]() |
C.![]() | D.![]() |
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6 . 已知函数
为定义域内的奇函数,且
时,
,
(1)求
时,
的解析式
(2)利用函数单调性定义,求函数
的最大值和最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/977bf639a9dc22b6fdca878e55f050e6.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e541ea2f855f981c96207070683d388.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)利用函数单调性定义,求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7760261a04d65e7e16cc124e106dec2.png)
您最近一年使用:0次
名校
7 . 已知幂函数
在
上单调递增,函数
.
(1)当
时,记
、
的值域分别为集合
,
,设
:
,
:
,若
是
成立的必要条件,求实数
的取值范围.
(2)设
,且在
上单调,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4fe5a5423ce135a39396860eff57b2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d562dc22dfb3b81d0c3f88b54d063c2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/efe0f4baa06b6da9878fe104af9597f8.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c032f402a4673407ebb0ead150bfd8b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ed006b944ea64f970fee46e2f558467.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e23af61cd402b3789af2401bde9cbefe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/165df290b86ea2d2f53a563d3d3850cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e11f4ca0e7ace69f92130d0525bcdb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
您最近一年使用:0次
2023-12-20更新
|
176次组卷
|
2卷引用:山东省济宁市嘉祥县第一中学2023-2024学年高一上学期期中考试数学试题
解题方法
8 . 已知函数
的定义域是
,若对于任意
,都有
,且
时,有
.
(1)令
,求
的定义域
(2)解不等式
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d188ec2580e273ce87e51653a2177ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f2b9676b221e3f25206444afeb77c698.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab0c6f119137e1b6760d55956d99d963.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c73a98c1b3504e09bfbe0db849b0d24.png)
(1)令
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa901949b8294aa95d3bec25b990543e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/450868427afd4832db685d1d3516c0fc.png)
(2)解不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b17af43cc460a6a7010d51a0c9403d67.png)
您最近一年使用:0次
9 . 如图是定义在区间
上的函数
,则下列关于函数
的说法正确的是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/20/cf1dd68e-d6fe-4f28-86b7-d4b56a964e89.png?resizew=170)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e71dbce0ccda0f5df7d0555fa23bf770.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/20/cf1dd68e-d6fe-4f28-86b7-d4b56a964e89.png?resizew=170)
A.函数![]() ![]() |
B.函数![]() ![]() |
C.函数![]() ![]() |
D.函数![]() ![]() |
您最近一年使用:0次
名校
解题方法
10 . 下列函数
是奇函数且在定义域上单调递增的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次