若函数
在区间
上不是单调函数,则实数
的取值范围是________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6acc8db5530e39824fe92d1584433a16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ae4a069f985b41293a9d0581e820cd2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
更新时间:2017-11-02 20:37:20
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【知识点】 判断二次函数的单调性和求解单调区间
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适中
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【推荐1】如果
的解集为{x|x<-2或x>4},那么对于函数
,比较其函数值f(-1),f(2),f(5)的大小,并从小到大排列为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f787d7d40aeb6fbbdb1151c25111ceb6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb77551da073f2ee9c0a40051e0b8a43.png)
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填空题-单空题
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名校
【推荐2】函数
满足下列性质:
(
)定义域为
,值域为
.
(
)图象关于
对称.
(
)对任意
,
,且
,都有
.
请写出函数
的一个解析式__________ (只要写出一个即可).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a43b2faa4f81f32d94612dce724e772b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aeb49dbba01c4ff5f686ffc8828351b2.png)
(
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/707ea658f3a9359f5740d5aab48f7948.png)
(
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ca7d1107389675d32b56ec097464c14.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec2501478483e009e516bc18d70003af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33bd24e647a626899a243a3f3984f90a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9dd8bbf8d8b088f1df100e2347c351c3.png)
请写出函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
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