已知函数
,则
的值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/322b34f1701c46f93558b2d1ef99fae2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c06d8895503d214a7d9f8519561f64bc.png)
A.2 | B.1 | C.0 | D.![]() |
更新时间:2023-09-25 13:14:15
|
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单选题
|
容易
(0.94)
【推荐2】已知集合
,则下列对应关系中是从集合A到集合B的函数是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f60a8af34f83572c8588a323ade59bc3.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
单选题
|
容易
(0.94)
【推荐1】已知
,且
,把底数相同的指数函数
与对数函数
图象的公共点称为
(或
)的“亮点”.当
时,在下列四点
,
,
,
中,能成为
的“亮点”有
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c400a615a16a1662de98dfb4e49d58d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95ff35f3b50966a5e3cbb0b5977af7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec003c8af0c3e2cbc3ac6007d40594a6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d1ffadcd8ab21ad5b7760b67a8a98ed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de1dce6add88795f2ba3cf3bbb6355c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d55e3e11b198a004f33611221b1a943.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/386d5dce5c3818a0a72303fa08cf9ddc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e35ee09eea14e640c33d337c78c2b727.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
A.0个 | B.1个 | C.2个 | D.3个 |
您最近一年使用:0次
单选题
|
容易
(0.94)
解题方法
【推荐1】已知函数
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec71836d027e2cf7e15afdc7211289a6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf1644dc8ce444930d96b4b621233c0f.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
单选题
|
容易
(0.94)
解题方法
【推荐2】函数
,则
等于( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cbc59ab1348e5f1939e1bd088dda869.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea09ab225081c171f6d54afec5ffaad9.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次