若函数
对任意的
都有
成立,且在
上为减函数,则
,
的大小关系为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4166972dec0aa3e8694a44eeb941a08.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/545931b962cf570712d04888b57093f4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aeb49dbba01c4ff5f686ffc8828351b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b530377e3fe56b7988935dd73d9dccd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6e1a1611f320c0f358df77aaae3f942.png)
A.![]() | B.![]() | C.![]() | D.无法确定 |
更新时间:2020-03-16 18:17:47
|
【知识点】 函数对称性的应用
相似题推荐
单选题
|
较易
(0.85)
解题方法
【推荐1】定义:若函数
的图象经过变换
后所得图象对应函数的值域与
的值域相同,则称变换
是
的同值变换.下面给出四个函数及其对应的变换
,其中
不属于
的同值变换的是
![](https://img.xkw.com/dksih/QBM/2015/3/31/1578625184169984/1578625184481280/STEM/c1813ad6cf5146fb8ff23271f7282968.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
![](https://img.xkw.com/dksih/QBM/2015/3/31/1578625184169984/1578625184481280/STEM/c1813ad6cf5146fb8ff23271f7282968.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
![](https://img.xkw.com/dksih/QBM/2015/3/31/1578625184169984/1578625184481280/STEM/c1813ad6cf5146fb8ff23271f7282968.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
![](https://img.xkw.com/dksih/QBM/2015/3/31/1578625184169984/1578625184481280/STEM/c1813ad6cf5146fb8ff23271f7282968.png)
A.![]() ![]() ![]() ![]() |
B.![]() ![]() ![]() ![]() |
C.![]() ![]() ![]() ![]() |
D.![]() ![]() ![]() ![]() |
您最近一年使用:0次
单选题
|
较易
(0.85)
名校
解题方法
【推荐2】已知函数
为偶函数,当
时,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c09c5c89b0c2a92f8c4b70e69b0eada.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fde64f4d3c38e43fbdee24eadc4b0dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99accc1e9ede943cb512c7f9a5685b85.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1893ec3241bbeb7909e5a1ecfb7c1760.png)
A.-6 | B.-4 | C.-2 | D.-1 |
您最近一年使用:0次