名校
解题方法
1 . 若函数
满足
,当
时,
,若在区间
上,方程
有两个实数解,则实数
的取值范围为是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f8df1f1dbc0a2e8b771f17cb59738c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f7dbb416ec1ff1984a724a4f48bf692.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29e44284cb19805a584880a686ac3df9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f84d41b94678bd8e3c114f40adb5425c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4f371191576b962b47590f5347b142c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2 . 对于定义域为
的函数
,区间
。若满足条件:使
在区间
上的值域为
,则把
称为
上的闭函数.若满足条件:存在一个常数
,对于任意
,如果
,那么
,则把
称为
上的压缩函数.
(1)已知函数
是区间
上的压缩函数,请写出一个满足条件的区间
,并给出证明;
(2)给定常数
,以及关于
的函数
,是否存在实数
,
,使
是区间
上的闭函数,若存在,请求出a,b的值,若不存在,请说明理由;
(3)函数
是区间
上的闭函数,且是
上的压缩函数,求满足题意的函数
在
上的一个解析式.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e31b14d5b4da0298a7dea660b03d1066.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e105760638b22b26ff8bec4354255e4c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e105760638b22b26ff8bec4354255e4c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e105760638b22b26ff8bec4354255e4c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/952572e5cf5719e96e12e459418a336b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/243a45670e2b2fe44496d3244ed5a68d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33bd24e647a626899a243a3f3984f90a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/74f4e3f82bb9fa550b238f2661322391.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e105760638b22b26ff8bec4354255e4c.png)
(1)已知函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ec84404bbf6cf4a9d992e1760dcfdd4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f1ac49b4139636fb1809fe970b23a87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f1ac49b4139636fb1809fe970b23a87.png)
(2)给定常数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f0d68648b10fce54dfc19c5ee60086d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72a6e51f16456ca04a55f19fc5dcc368.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f9fcab2886322d40bb5b52d997984fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f030c36bb8786df88d401792062a4100.png)
(3)函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e11f4ca0e7ace69f92130d0525bcdb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e11f4ca0e7ace69f92130d0525bcdb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e11f4ca0e7ace69f92130d0525bcdb3.png)
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3 . 已知函数
.
(1)当
时,求
的定义域;
(2)当
时,
有两解,求实数
的范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cca7aeb51271d7052589b35dda076319.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/186bafa27d468005b652ae43a94eab35.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29e44284cb19805a584880a686ac3df9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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2023-01-15更新
|
468次组卷
|
2卷引用:江苏省淮安市淮阴中学2022-2023学年高一上学期期末数学试题
名校
解题方法
4 . 已知函数
,其中
,且
,若函数
的图象与直线
有
个不同的交点,其横坐标分别为
,且
,则实数
的取值范围是________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a41ac120cfee4d7a3e615332b3f20f11.png)
![](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/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c50866229ec5a3640fb250f9bd2192b3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ca7d1107389675d32b56ec097464c14.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05b8ec9d4206ea66a02de5c4a1e1e911.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db636a582cc7b188081face948f38e46.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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22-23高一上·江苏南通·期末
名校
5 . 下列命题为真命题的是( )
A.“![]() ![]() |
B.若函数![]() ![]() ![]() ![]() |
C.函数![]() ![]() |
D.若方程![]() ![]() ![]() ![]() |
您最近一年使用:0次
2023-01-12更新
|
811次组卷
|
5卷引用:江苏省南通市如皋市2022-2023学年高一上学期期末数学试题
(已下线)江苏省南通市如皋市2022-2023学年高一上学期期末数学试题江苏省徐州市邳州市2022-2023学年高一上学期期末数学试题福建省莆田第一中学2022-2023学年高一上学期期末数学试题宁夏银川市第二中学2023-2024学年高一上学期期末考试数学试卷福建省福州市马尾第一中学2023-2024学年高一上学期期末模拟数学试题
22-23高一上·江苏南通·期末
6 . 已知函数
为偶函数,其中
是自然对数的底数,
.
(1)证明:函数
在
上单调递增;
(2)函数
,在区间
上的图象与
轴有交点,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c146fd3ee4282fe4195068510066d270.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/041a7c8fc017f596542c5e6ec7d1c40b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11204e2fb6e560bf7a4ca26eaebfc526.png)
(1)证明:函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ed2f490aac02631c2ed9e6b76354a49.png)
(2)函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97fd227fc8ae190d5c4872295adc081a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/462069a7a8425f6d331b671d2554f39f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
2023-01-12更新
|
621次组卷
|
3卷引用:江苏省南通市如皋市2022-2023学年高一上学期期末数学试题
名校
解题方法
7 . 函数
的零点所在的区间为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a161654cdb8895a0ec5e966da6740b50.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2023-01-12更新
|
511次组卷
|
4卷引用:江苏省盐城市上冈高级中学等2022-2023学年高一上学期期末联考数学试题
8 . 下列说法中正确的有( )
A.函数![]() |
B.若![]() ![]() |
C.幂函数的图像一定不会出现在第四象限 |
D.函数![]() |
您最近一年使用:0次
名校
解题方法
9 . 已知函数
,若存在实数
使得方程
有四个互不相等的实数根
,则下列叙述中正确的有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60c7125c6e0406698a649077d044c253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9c0d827ef8598ba6b70b34b2bdcd1e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/160bd5c86b9f295837acc072c41ca45d.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2023-01-12更新
|
618次组卷
|
2卷引用:江苏省扬州市宝应中学2022-2023学年高一上学期期末数学试题
名校
解题方法
10 . 已知函数
,关于
的方程
恰有两个不等实根
,则
的最小值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a06cea93ea833b5826cae63c47421334.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/338316b0fe50fdea0f2f75aec4c990dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aca579894dad67bc82cb715fd48e0d70.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/28b6ab702f8e93cc1e680a7d7af06786.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2023-01-11更新
|
507次组卷
|
3卷引用:江苏省连云港市灌南县、灌云县2022-2023学年高二上学期期末联考数学试题
江苏省连云港市灌南县、灌云县2022-2023学年高二上学期期末联考数学试题江西省丰城中学2023届高三下学期入学考试数学(文)试题(已下线)1.3.3 三次函数的性质:单调区间与极值(同步练习)2022-2023学年高二选择性必修第二册素养提升检测(基础篇)