若指数函数
的定义域和值域都是
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
_________ ;
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da53929a8f67b9aa3827fdbd73ebd265.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7242b2ab643f9470da77e29d043b893.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
18-19高三上·上海徐汇·期中 查看更多[4]
上海市上海中学2018-2019学年高三上学期期中数学试题上海市上海中学2019-2020学年高一上学期期末数学试题上海市奉贤中学2021届高三上学期10月月考数学试题(已下线)专题4.3 指数函数-重难点题型精讲-2021-2022学年高一数学举一反三系列(人教A版2019必修第一册)
更新时间:2019-12-10 23:15:14
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【知识点】 根据指数函数的值域或最值求参数(定义域)
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【推荐1】若方程
有解,则实数
的取值范围是________________ .
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填空题-单空题
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较易
(0.85)
【推荐2】设函数
和
都是定义在集合
上的函数,对于任意的
,都有
成立,称函数
与
在
上互为“互换函数”.若函数
(
且
)与
在集合
上互为“互换函数”,则
的成值范围是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
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