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解题方法
1 . 若函数
的定义域为
,且对任意
,
恒成立,则称函数
为“同步”函数.已知
是“同步”函数,则a的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d562dc22dfb3b81d0c3f88b54d063c2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec72ca557aa4229ee871628ffcf0d8a0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84ec49f60fb085d07dc79a2728e51dd6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/137cd56b9b3098f2c12134eae5dc7f07.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2022-12-14更新
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538次组卷
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3卷引用:安徽省六安市第二中学2022-2023学年高一上学期期末考试数学试题
2 . 定义在实数集上的函数
的图象是一条连绵不断的曲线,
,
,且
的最大值为1,最小值为0.
(1)求
与
的值;
(2)求
的解析式.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d96b743603ab1c10330622f16db78dbe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05ef36b8de7d0b8bdc5da0e5b15aa1cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fb01ca19acadf04e0656bdebcc89f23.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d36b68a3f93b8fc57f254884c845be78.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
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