1 . 已知函数
.则
的值域为.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19a746fa43869fe4a7002a754fb16f8b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2 . 定义在
上的函数
.若对任意实数
、
,均满足方程
,则
=.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4095ce19c291dc06a614dbe7c9683f67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7474ec8a1dcf7ba8272de91c16f4ec30.png)
A.40400 | B.40401 | C.40402 | D.40403 |
您最近一年使用:0次
3 . 在平面直角坐标系
中,函数
图像上的动点
与坐标原点
的距离的最小值为.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c190daf6e3d1cdd5019c3f50a4f842e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
A.![]() | B.![]() | C.1 | D.![]() |
您最近一年使用:0次