1 . 设函数
,则称函数
为
的“
”界函数,若给定函数
,
,则下列结论成立的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73f67423288267c1fb65e319d0483226.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/214a144cf6b4e9f810421a8f82581c7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/173700525b57dde47ed7313f65ee2aa2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7acff98078cdd32804d8f1c4efbe2ddd.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
名校
解题方法
2 . 已知函数
,则 ( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19cc54e719aeac9790b0153d6bd77d51.png)
A.![]() | B.![]() ![]() |
C.![]() ![]() | D.若![]() ![]() |
您最近一年使用:0次
2023-07-17更新
|
1951次组卷
|
6卷引用:四川省成都市石室中学2022-2023学年高一上学期10月月考数学试题
解题方法
3 . 设
为定义在
上的奇函数,当
时,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f71599cd707909eb30d2a54be7f8c966.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a43b2faa4f81f32d94612dce724e772b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6e2e79843faf62dde86bf858d1e0569.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f3cebf0af3cbc70cfedf7ff665512fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f71599cd707909eb30d2a54be7f8c966.png)
您最近一年使用:0次
2023-02-06更新
|
366次组卷
|
4卷引用:四川省自贡成都外国语学校2023届高三上学期10月月考数学试题
四川省自贡成都外国语学校2023届高三上学期10月月考数学试题河南省项城市第三高级中学2022-2023学年高三上学期第一次调研考试数学(文)试题第三章 指数运算与指数函数(综合提升卷)-2022-2023学年高一数学北师大版2019必修第一册(已下线)第五章 函数的概念、性质及应用(7大知识归纳+10大题型突破)-单元速记·巧练(沪教版2020必修第一册)
解题方法
4 . 函数
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14b4b7d95e9fde43bab32a9bfaf94292.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e2120dcbe193ffb073be123d97fe058.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14b4b7d95e9fde43bab32a9bfaf94292.png)
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5 . 已知函数
,且点
在函数
的图象上.
![](https://img.xkw.com/dksih/QBM/2022/11/28/3119445265899520/3120111061827584/STEM/5540099b52564bacb7fb434e2f618222.png?resizew=296)
(1)求函数
的解析式,并在图中的直角坐标系中画出函数
的图象;
(2)若方程
有两个不相等的实数根,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d260985d84a14aaa9e5179798e0b632.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5265d99095b635f62c7915298ec0e963.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://img.xkw.com/dksih/QBM/2022/11/28/3119445265899520/3120111061827584/STEM/5540099b52564bacb7fb434e2f618222.png?resizew=296)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c0c01011175629cf3c4108b78cc663a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
解题方法
6 . 函数
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2b998f41548477586885f2b9d17ee87.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0508ad3f08feda5447f4748bc069ba62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2b998f41548477586885f2b9d17ee87.png)
您最近一年使用:0次
7 . 已知二次函数
的顶点坐标为
,且过点
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/17/6cea0c46-a500-4504-befa-b4537565896c.png?resizew=145)
(1)求
的解析式;
(2)设函数
,作出
的大致图象并根据图象写出
的增区间和值域.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/769a5c751a803305694bb72e8b0a8b90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c51b2293247eac7b97b685a44987efb6.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/17/6cea0c46-a500-4504-befa-b4537565896c.png?resizew=145)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)设函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fe286322514ef42c902f95b1d2dd838.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
您最近一年使用:0次
解题方法
8 . 设函数
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/253a1f84cbb9f46097db4a4d309e7a8a.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bad53548dccea382f1f2b2212353062.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/253a1f84cbb9f46097db4a4d309e7a8a.png)
您最近一年使用:0次
2022-11-10更新
|
458次组卷
|
3卷引用:四川省南充市2022-2023学年高三适应性考试(零诊)理科数学试题
解题方法
9 . 已知函数
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1bf0f6e48aad8f9fe9cfcb1eb5bbad9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ba24a5dce47fbd2a79a593ca0be5069.png)
A.![]() | B.2 | C.![]() | D.3 |
您最近一年使用:0次
2022-11-02更新
|
739次组卷
|
3卷引用:四川省成都市四县区(金堂、大邑、蒲江、新津)2022-2023学年高一上学期期中联考数学试题
解题方法
10 . 已知函数
的图象由如图所示的两段线段组成,则下列正确的为( )
![](https://img.xkw.com/dksih/QBM/2022/11/1/3100310221570048/3100540882575360/STEM/e082810f00a8437e9208de254039f275.png?resizew=189)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://img.xkw.com/dksih/QBM/2022/11/1/3100310221570048/3100540882575360/STEM/e082810f00a8437e9208de254039f275.png?resizew=189)
A.![]() |
B.函数![]() ![]() |
C.![]() ![]() |
D.![]() ![]() ![]() |
您最近一年使用:0次