解题方法
1 . 函数
满足对一切
,且
;当
时,有
.
(1)求
的值;
(2)判断并证明
在
上的单调性;
(3)解不等式
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3739db9df4c3745a671db1db3b46ff01.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3471484b64504fc545398f52be830010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fde64f4d3c38e43fbdee24eadc4b0dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a71baf6217604517fd98fa97d0f55b43.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a32822a106d217ffdec43557a236f786.png)
(2)判断并证明
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
(3)解不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b41d49bd259850f133bec38dca62d9e3.png)
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解题方法
2 . 已知函数
.
(1)当
时,求函数
的零点;
(2)设函数
区间
上有三个不同零点
,
,
,且
,求
的取值范围;
(3)当
时,若在
上存在2023个不同的实数
,
,使得
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f212852db563b9c98e05ea479d04faf.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b108ab31cc093f03cf48ad65429889e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)设函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/441576bfc78e4f3e3d4a0e74e57d53a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/953810dff2d248ff297b614947c0c7c5.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/291c25fc6a69d6d0ccfb8d839b9b4462.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1310a7a80d1f8751a3f8cafe7f8c8b4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65eeda81a02f5a3cea4c4092282533d0.png)
(3)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/814b57fd42b6bc05b041c24ccd160abd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5432187d1c042787433b7633292d00fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d82e43d4b6d9ede968b77a96e2d6c4d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b3cac074d8313c9a9d73c48a75fefc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15553aa65fe974a9bb5ebea39fea12a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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3 . 已知函数
,
,
(1)解关于x的不等式
;
(2)从①
,②
]这两个条件中任选一个,补充在下面问题的横线处,并给出问题的解答.
问题:是否存在正数t,使得 ?若存在,求出t的值:若不存在,请说明理由.
注:如果选择多个条件分别解答,按第一个解答计分.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51e5e15e7cc7fc9aee815f987eaf39fd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d285a4c557fc9748105b62ccd94b7859.png)
(1)解关于x的不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3fed773e88a9fb0bb42b8bc8f0f0a34f.png)
(2)从①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5113b136023b32e0813fb3a823537d1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0623c0f25f853eebff06fa188dc8f820.png)
问题:是否存在正数t,使得 ?若存在,求出t的值:若不存在,请说明理由.
注:如果选择多个条件分别解答,按第一个解答计分.
您最近一年使用:0次
名校
4 . 定义在
上的偶函数
,记
,
,
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eecf74349a527c70f3775fbc83170f96.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/daf0cc3631b0105bc8fc9a95e745192d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/131ba37b65a2b8a755371a756a89936e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b7beb2c87e5a12e5d508fad68757d15.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2023-12-19更新
|
463次组卷
|
4卷引用:山东省潍坊市2023-2024学年高一上学期普通高中学科素养能力测评数学试题
名校
解题方法
5 . 已知
是定义在
上的奇函数,且在区间
上的任意两个不相等的实数
,总有
,若
满足
,则
的取值范围是( )
![](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/fe86cace140f2c3588ab115837bbfc9e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/280860dd039e1305a5ccc455f63e8223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/522a2054d1f2e78f14b5e051369c87bc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b70363e5c88c95562599d26c00fbf0fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2023-12-19更新
|
569次组卷
|
5卷引用:山东省跨地市多校2023-2024学年高一上学期模拟选课走班调考(12月)数学试题
6 . 已知函数
对于任意的
,都有
成立,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5ab4b75fa22deba7fcbcdcb31dd45b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab0c6f119137e1b6760d55956d99d963.png)
A.![]() |
B.![]() ![]() |
C.若![]() ![]() |
D.当![]() ![]() ![]() ![]() |
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解题方法
7 . 已知函数
,证明:
在区间
上单调递增的充要条件是
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27f67ebe3b975f0b846a38a76eff0dbf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2952239f733e7978b2abb3c20fafcf47.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6aacce9a2647b42f0c4cc10020950573.png)
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解题方法
8 . 已知函数
是定义域为
的奇函数.
(1)求实数
的值;
(2)判断
的单调性(不需要证明);
(3)若存在
,使
成立,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a63e4ea615b07bd813446d19063b30c1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
(1)求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/280860dd039e1305a5ccc455f63e8223.png)
(2)判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(3)若存在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6160880daa2b7f329c96b549e3deafb2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0fc9da283c299b38d8eadc2acc7e5fc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
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解题方法
9 . 已知函数
,且
.
(1)求a的值;
(2)判断
在区间
上的单调性,并用单调性的定义证明你的判断.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51f44e619b41991f2002cc203be8d6f3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6b5320a6f673d6c2e70a815adaf2440.png)
(1)求a的值;
(2)判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/afa482d7bcaa385bfc3548b42a4bfb60.png)
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2023-12-17更新
|
277次组卷
|
2卷引用:山东省泰安市肥城市第一高级中学2023-2024学年高一上学期12月月考数学试题
名校
解题方法
10 . 若
是定义在
上的奇函数,当
时,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be315e528951120e7d551f654d2a1f5e.png)
(1)求
时,
的解析式
(2)若
,求满足不等式
的
取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be315e528951120e7d551f654d2a1f5e.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e541ea2f855f981c96207070683d388.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bf17adba9dbe4bd1e391ec41e42806b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa14222685793e13fed00756b46be103.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
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