已知函数
则
的值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1fde4a8552be4e47527acaba9bc35500.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8faf9ef87c77f55b86bf7959249ca233.png)
A.![]() | B.![]() | C.0 | D.1 |
21-22高一上·江苏徐州·期末 查看更多[3]
江苏省徐州市2021-2022学年高一上学期期末数学试题河南省商丘市永城市苗桥乡重点中学2021-2022学年高一上学期期末数学试题(已下线)第四章 对数运算与对数函数(B卷·能力提升练)-【单元测试】2022-2023学年高一数学分层训练AB卷(北师大版2019必修第一册)
更新时间:2022-02-18 21:36:10
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解题方法
【推荐1】设函数
,则
的值是( ).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c094feab62e0780d4778f5b1ed854a7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d31a3e94254cc360b0e1ef53ce145ce.png)
A.2 | B.3 | C.4 | D.5 |
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单选题
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较易
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【推荐1】定义在
上的函数
满足
且
时,
,则![](https://img.xkw.com/dksih/QBM/2013/12/30/1571443722526720/1571443727998976/STEM/56f7a21da5ed40d282d248b53a011d44.png)
![](https://img.xkw.com/dksih/QBM/2013/12/30/1571443722526720/1571443727998976/STEM/e7bd3547910b44f5b3a2bbbf4d3e39de.png)
![](https://img.xkw.com/dksih/QBM/2013/12/30/1571443722526720/1571443727998976/STEM/1d62f1776db24c05868a61291986e84b.png)
![](https://img.xkw.com/dksih/QBM/2013/12/30/1571443722526720/1571443727998976/STEM/663f2e900b834700a4cceb4b3eb368ff.png)
![](https://img.xkw.com/dksih/QBM/2013/12/30/1571443722526720/1571443727998976/STEM/5dba8f1b08b9472aa76622925590c511.png)
![](https://img.xkw.com/dksih/QBM/2013/12/30/1571443722526720/1571443727998976/STEM/898139edc34b423b98c4b9700bb3fa28.png)
![](https://img.xkw.com/dksih/QBM/2013/12/30/1571443722526720/1571443727998976/STEM/56f7a21da5ed40d282d248b53a011d44.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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