2020高三·全国·专题练习
解题方法
1 . 已知
是奇函数,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea5ce13c0510cd560d8da099facb3f83.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cdef952f20bfb5c1472e9c692243564f.png)
A.−4 | B.−3 | C.2 | D.-26 |
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2 . 若定义在
上的偶函数
满足
,且在区间
上是减函数,
,
现有下列结论,其中正确的是:( )
①
的图象关于直线
对称;②
的图象关于点
对称;③
在区间
上是减函数;④
在区间
内有8个零点.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a52be6f643eb2a0e852177e4dc26e7b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6c1756b564bf1d998d8179637011c88.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/249a976e88133f3b3733f09137cf5c42.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ab30faa78cc53c104f61b1cd906c365.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9da30f3b77f2318f2000fa009979f04c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9f88173ef0c29bedd0155b7893d2474.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20aa36cae34afaa391a4319c9c5eb87a.png)
A.①③ | B.②④ | C.①③④ | D.②③④ |
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3 . 如果一个函数
同时满足:
(1)定义域为
;
(2)任意
,若
,则
;
(3)任意
,若
,
,则
可以是( ).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(1)定义域为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a43b2faa4f81f32d94612dce724e772b.png)
(2)任意
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fd423a80d5b6fea8753fa1813cfbcc4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c2e41c64ac5508a9ba27b697122d6d5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d1540b6b10f07a867618a1eec02e2a1.png)
(3)任意
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24a57996290794e082b21d8f1dfc322a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fff6e7e2b9f2b68b1647f6350b98dc8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44732202502102fe40f23c7558d1ab5e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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名校
4 . 已知定义在
上的奇函数
满足:对任意的
有
恒成立,则不等式
的解集为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33bd24e647a626899a243a3f3984f90a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/698cf53f76a1d637dfe2732d0a866eec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32eebe18fa7cc1bd71b40f81d5e9cadf.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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解题方法
5 . 下列函数中为奇函数的是( )
A.![]() | B.![]() |
C.![]() | D.![]() |
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2020-05-27更新
|
249次组卷
|
2卷引用:福建省福州市2019-2020学年高三质量检测数学(文)试题
解题方法
6 . 已知函数
,试判断函数
的单调性,并证明.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43360c8cb010001b90b7ae2b2d918caa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
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2020-05-22更新
|
1242次组卷
|
4卷引用:贵阳市普通高中2018-2019学年度高一上学期数学期末质量监测试题
贵阳市普通高中2018-2019学年度高一上学期数学期末质量监测试题(已下线)专题03函数的单调性和最值-解题模板(已下线)专题03函数的单调性和最值解题模板A贵州省贵阳市2018-2019学年高一(上)期末数学试题
解题方法
7 . 已知函数
是偶函数,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef9af0b75950ea6894624db593add9ba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a71b5c00c6aa6e65666fd9d31819f4f6.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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解题方法
8 . 已知定义域为
的奇函数
满足
,且当
时,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c25fb0c3e1b6ef211233170b9aa9001.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3e46371f310e03a153a1698aad9d4c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b7192d87d0fa400d5d7dba57924bbbe3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b30dd53ea7d66a1e21d0dfdee678739d.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2020-05-19更新
|
839次组卷
|
2卷引用:2020届宁夏中卫市高三下学期第二次模拟考试数学(文)试题
解题方法
9 . 函数
的图象大致为( ).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e069b202dc30bc6c7b01fdd9eb7c6bcf.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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名校
10 . 已知函数
的图像为
上连续不断的曲线,且
,
在
上单调递减.若
成立,则实数m的取值范围为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5be651210b730fb4533b4e3e9329b98a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4cb49172872b20352d8aaf691bf02465.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2b1810fd4b731bc2fe07c798fda1cda.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eda5528f3ff9969480ae0b73a0aedd63.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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