函数
为偶函数,则下列关于函数
的说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d084dabd41709a74c74a62da0ad380ea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
A.关于直线![]() | B.关于直线![]() |
C.关于点![]() | D.关于点![]() |
更新时间:2020-02-19 15:52:40
|
相似题推荐
单选题
|
较易
(0.85)
解题方法
【推荐1】函数
是定义在R上的奇函数,满足
,当
时,有
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f21f8a50948fda9f24b2611ad4ab95e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ae3536104b849512089628a52ea8e8d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cdc873fc03e6e4d3c4ba02f8b1147b20.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5215a578933ba72022450a6d3a37d14.png)
A.0 | B.1 | C.![]() | D.![]() |
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解题方法
【推荐2】若函数
是定义在
上的偶函数,在
上是减函数,且
,则使得
的
的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ab5e0524def52baf53480b8726784ed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4db7707d6b2754808adefc9b2fb976a6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/018857ec6e498113b3b12a730d9313da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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【推荐1】已知
,设函数
的最大值为
,最小值为
,那么
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91f948cca68fe9d7240f7c10f17ac092.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a2ed87b1ce88cbcbf3177e7aa232a65.png)
A.2016 | B.2018 | C.4032 | D.4034 |
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【推荐2】已知函数
,下列对于函数
性质的四个描述:①
是
的极小值点;②
的图像关于点
中心对称;③
有且仅有三个零点;④若
区间
上递增,则
的最大值为
.其中正确的描述的个数是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82113e64ecb5ff4d464db87d93de25f8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70c6cb0cc172657611e286e7fa669584.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b1f4e6a1150c9838f0dea9abee59a95.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f030c36bb8786df88d401792062a4100.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13502d46b8563c54c09b29b20b3006a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70f5389990c3a0c5373f3bd9fb2454c9.png)
A.1 | B.2 | C.3 | D.4 |
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