名校
解题方法
1 . 定义:若函数
在区间
上的值域为
,则称区间
是函数
的“完美区间”,另外,定义区间
的“复区间长度”为
,已知函数
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46be55c8f2760d6db125f46691a3de48.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f030c36bb8786df88d401792062a4100.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f030c36bb8786df88d401792062a4100.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f030c36bb8786df88d401792062a4100.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46be55c8f2760d6db125f46691a3de48.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f030c36bb8786df88d401792062a4100.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/02d961ab4d8d40a9543bb88d4dd238e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b70295905e8ef258e2278c219382f872.png)
A.![]() ![]() |
B.![]() ![]() |
C.![]() ![]() |
D.![]() ![]() |
您最近一年使用:0次
名校
2 . 已知函数
,
,下列判断中,正确的有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3db58afeac1cfe83233a8887e16f59b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1e69392d21261afd8e5e5f096634669.png)
A.存在![]() ![]() |
B.存在常数![]() ![]() |
C.若![]() ![]() ![]() ![]() ![]() ![]() |
D.存在常数![]() ![]() ![]() |
您最近一年使用:0次
2022-11-18更新
|
1308次组卷
|
4卷引用:辽宁省沈阳市第一二〇中学2022-2023学年高一上学期期末数学试题
解题方法
3 . 已知
(常数
),则正确的选项为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd87013d484100d4d04cf88a110bafdc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f2c80c26a794a844127aae7dee87c93b.png)
A.当![]() ![]() |
B.当![]() ![]() |
C.当![]() ![]() ![]() |
D.当![]() ![]() ![]() ![]() |
您最近一年使用:0次
2022-11-17更新
|
368次组卷
|
2卷引用:辽宁省协作校2022-2023学年高一上学期期中考试数学试题
名校
解题方法
4 . 已知函数
,则正确的结论为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee3ab6e2d46ac56c02dadf36f9e80163.png)
A.![]() ![]() | B.函数![]() |
C.![]() ![]() | D.![]() ![]() |
您最近一年使用:0次
2022-11-14更新
|
300次组卷
|
2卷引用:辽宁省名校联盟2022-2023学年高一11月选科适应性考试数学试题
名校
解题方法
5 . 已知
是定义在
上的偶函数.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/16/c0c65b57-7145-4a39-a7dd-f6f832964905.png?resizew=228)
(1)将所给的图补充完整;
(2)当
时,讨论
在
上的值域.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25a4b68d7be63ec223f642976a1087ba.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/16/c0c65b57-7145-4a39-a7dd-f6f832964905.png?resizew=228)
(1)将所给的图补充完整;
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/deaf0e32fd982f49886eb7faaa25b48e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/491d0b97d8e58351d7b1fb1eb7cc2feb.png)
您最近一年使用:0次
2022-11-10更新
|
281次组卷
|
5卷引用:辽宁省抚顺市六校协作体2022-2023学年高一上学期期中考试数学试题
名校
解题方法
6 . 已知函数
.
(1)判断
在
上的单调性,并用定义加以证明;
(2)设函数
,若
,
,
,求a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5cfee2c4efc91317d8e0ade4c839d863.png)
(1)判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0109d06b8be2e402b5ffbb0aeb501009.png)
(2)设函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f5438ef0cb6c82d3822271b123b0a1a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73f7c7436a45148bbb09229b6a1d7b1a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53ee00465e657f1e774ca7750158f4a7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f3bb43da17137e6c50874a8086df278.png)
您最近一年使用:0次
2022-11-10更新
|
403次组卷
|
5卷引用:辽宁省抚顺市六校协作体2022-2023学年高一上学期期中考试数学试题
名校
解题方法
7 . 设
,函数
在区间
上的最小值为
,在区间
上的取小值为
.若
,则
的值为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bbcfe251ef0696c552b9121e8872e1c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25ce0c881a49650bf16c7e85c22df672.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2a8b8044825d59a09d5ff2efdc42981.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cbeb090065b9da11660d30bd6e5b3f2e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2022-11-06更新
|
605次组卷
|
2卷引用:辽宁省实验中学2022-2023学年高一上学期期中数学试题
名校
8 . 已知函数
是定义域为
的奇函数,且
.
(1)求
的值,并判断
的单调性(不必证明);
(2)设
为正数,函数
,若对于任意
,总存在
,使得
成立,求
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8717af5b57ca8eb3402b17118fec7a04.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d188ec2580e273ce87e51653a2177ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/249a976e88133f3b3733f09137cf5c42.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632244ea6931507f8656e1cc3437d392.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f44e988a574c3073facdf7def88b15c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6a3163cc2d37e7b7fe450f6e8bf8500.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29d7c85749a181ee97a54bde7dfb1537.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c8a6ab0f521c14a67580b934ce6b41d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
您最近一年使用:0次
解题方法
9 . 已知函数
.
(1)在平面直角坐标系中画出函数
的图象;
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/9/3dc3c4c1-5ffb-48f2-bbed-bca17395979d.png?resizew=217)
(2)求函数
的零点;
(3)若
,求
在
上的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3c2837ca79dac067e0872eded379e91.png)
(1)在平面直角坐标系中画出函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3c2837ca79dac067e0872eded379e91.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/9/3dc3c4c1-5ffb-48f2-bbed-bca17395979d.png?resizew=217)
(2)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b69d02859ef2cdd0417fc2ebc80b58d.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c3e441923ed3c1a32720d6aeac2f599.png)
您最近一年使用:0次
名校
10 . 已知二次函数
满足
,且
.
(1)求
的解析式;
(2)设函数
在
上的最小值为
,求
的解析式.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b153416188133a7b8c96d23f31694f4e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/530d95d817cacb3ab0edf24a4202c45e.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)设函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/973852dec155d3b5b9a1ac6df48c04e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1987ecbd076d89da5ef1e2561d79d857.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1987ecbd076d89da5ef1e2561d79d857.png)
您最近一年使用:0次
2022-10-29更新
|
798次组卷
|
3卷引用:辽宁省铁岭市清河高级中学2022-2023学年高一上学期10月月考数学试题