解题方法
1 . 已知函数
.
(1)当
时,做出
的草图,并写出
的单调区间;
(2)若存在
使得
成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8e0199f591bb56ecffa463e993ba7d6.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/9/1/0194281f-39db-4e1b-bb37-1df241fd7ffe.png?resizew=198)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若存在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e99e74c15c6ca0229e552b46a3c6499c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0023c0bde1dffd1e1b634bbd0013122.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
名校
解题方法
2 . 已知函数
.
(1)求
的值域;
(2)若
的最大值为m,正实数a,b满足
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ae89b9b30b97b58b018ef847237c70a.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45c04329f6890eb352307418197b0926.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/819f4b0d966fbe78749ddb89f2c5accf.png)
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解题方法
3 . 已知
是定义R在上的奇函数.
(1)求
的解析式;
(2)已知
,且
,若对于任意
,存在
,使得
成立,求a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/848ec8e741adcd6a3da01b6d8147bd20.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c400a615a16a1662de98dfb4e49d58d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4c77befb23ddbca57b9c341f5b9412e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/734a6de235c7c5205eb3d81109f04abf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd4d360d46a6d410c757be3a886ea83f.png)
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2023-01-06更新
|
552次组卷
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3卷引用:四川省巴中西南大学第三实验学校2022-2023学年高一上学期期末数学试题
名校
解题方法
4 . 设函数
,
.
(1)解关于x的不等式,
;
(2)当
时,不等式
恒成立,求a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7733e67c5bb41fa3a4a97cca893351ba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10bbdef421c976962a270a2beabbad91.png)
(1)解关于x的不等式,
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a71baf6217604517fd98fa97d0f55b43.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9662dac9ec9d0ab689ddbefeebf90060.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b144a61837c06413af8d51d2ce7ded70.png)
您最近一年使用:0次
2022-11-14更新
|
1360次组卷
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5卷引用:四川省平昌县第二中学2023-2024学年高一上学期第一次月考数学试题
名校
5 . 已知函数
,
.
(1)若函数
在区间
上存在零点,求正实数
的取值范围;
(2)若
,
,使得
成立,求正实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba6f9b6663be9cea0fa7fc57a7db83c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4006cb607c3244dc446595067696510.png)
(1)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3375b429a20c5a5ca176307b5fed7d69.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3654254401fc902c3cb4912969f21f88.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86363d44047e7a13439be95c5ada424f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4a385bd4524775d3c36ca5d52e8ddd4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4624a648f30189a10c8b6683b190ce5d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2022-01-16更新
|
529次组卷
|
5卷引用:四川省平昌县第二中学2023-2024学年高一上学期第一次月考数学试题