已知函数
与函数
,满足
,当
和
在区间
上单调性不同,则称区间
为函数
的“异动区间”.若区间
是函数
的“异动区间”,则
的取值范围是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1938c093dd2fbcb752d0eb7a18d143b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a6fc82ff2ec6b6430fe9a2998a72591.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1938c093dd2fbcb752d0eb7a18d143b2.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/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa66623cf54b42d6d12be4c8edaa7071.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcd302ce8166dd8aef16ebee579c0270.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
更新时间:2023-11-26 23:34:53
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【推荐1】已知函数
在定义域
上是单调函数,若对任意
,都有
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的值是______________ .
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名校
【推荐2】已知函数
,若对任意实数
都有
,则实数
的取值范围是________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/162734996f15bdaa12f75819bba36940.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
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【推荐1】函数
的图象与函数
的图象所有交点的横坐标之和等于__________ .
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【推荐2】已知函数
,当函数
有且仅有三个零点时,则实数
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解题方法
【推荐1】若直角坐标平面内两点
满足条件:
①
都在函数
的图象上;
②
关于原点对称,则称点对(
)是函数
的一个“友好点对”(点对(
)与(
)看作同一个“友好点对”).
已知函数
,则
的“友好点对”有________ 个.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5b1b15a4605fce993cb13aefbf40360.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5b1b15a4605fce993cb13aefbf40360.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5b1b15a4605fce993cb13aefbf40360.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5b1b15a4605fce993cb13aefbf40360.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5b1b15a4605fce993cb13aefbf40360.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d639ec461b081a514298195ecd287a38.png)
已知函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8c3110c1a447dd33000e4d90c6c825a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
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(0.65)
【推荐2】直角坐标系中横坐标、纵坐标均为整数的点称为格点,如果函数
的图象恰好经过
个格点,则称函数
为
阶格点函数.下列函数:
①
;②
;③
;④
其中是一阶格点函数的有_______________ (填上所有满足题意的序号).
![](https://img.xkw.com/dksih/QBM/2012/2/3/1570711643127808/1570711648419840/STEM/788b130883344c199442e175d7677a65.png?resizew=36)
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①
![](https://img.xkw.com/dksih/QBM/2012/2/3/1570711643127808/1570711648419840/STEM/d2a4efb1cc4443a4bfae1e6005d047ae.png?resizew=83)
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