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 . 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
3 . 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
4 . 如图,矩形
的对角线
经过坐标原点
,矩形的边分别平行于坐标轴,点
在反比例函数
的图像上若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd707b69a11f8de5566f23c1a2a9ff5a.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/30/463fcede-e64c-4f57-bb00-a1f2a51ec341.png?resizew=192)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f10481ffb8f12a659baf9db0e401d997.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1cea6f63894aba70f5c4cfa7740eca6f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd707b69a11f8de5566f23c1a2a9ff5a.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/30/463fcede-e64c-4f57-bb00-a1f2a51ec341.png?resizew=192)
A.2 | B.1 | C.0 | D.-1 |
您最近一年使用:0次
5 . 若图中给出的函数
的图像与
轴只有一个公共点,则
为.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/9/1c9b958c-bc80-4d60-b5cc-f295397845c4.png?resizew=84)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9a4aaf56230b8a44bf50a03136afb1b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc2a39beea5adf5d07aea0424ca7a64f.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/9/1c9b958c-bc80-4d60-b5cc-f295397845c4.png?resizew=84)
A.0 | B.1 |
C.2 | D.4 |
您最近一年使用:0次
6 . 若二次函数
的对称轴为
,且其图像过点
,则
的值是( ).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/331d5e308cd5469e0f28a8d75f79903f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fab8a0cc6504aa4c3a38006f5394b4c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18f579a9ecca45497430dea90ccb2ca1.png)
A.![]() | B.![]() | C.2 | D.3 |
您最近一年使用:0次
7 . 对于函数
有
.则方程
的解共有个.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14c58feac71474c240ed8cdbdfce8e52.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d9d048e164b97d7b387d997ccd42924.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29e44284cb19805a584880a686ac3df9.png)
A.0 | B.1 | C.2 | D.3 |
您最近一年使用:0次
8 . 已知
、
分别满足
,
,则
等于( ).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c48a09f46667307253e7ddae2c892c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88d279d9d0264a163322e4ef13783f69.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb20586cda25e2255bf1aba5c6cf2c32.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
名校
9 . 已知
,则在下图的四个选项中,表示
的图像只可能是.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16de2d7f06346a0fc6b5d6822e746237.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a90385c676848de67293e3ed6bc000fe.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
2018-12-23更新
|
193次组卷
|
4卷引用:2008年北京市中学生数学竞赛初赛_高一试题
10 . 若
是R上的偶函数,则在
上
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4428eeaca29beb5f35840976bf99066.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc8aa7ce665cdd3bad0b20c7db9fd774.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
A.是增函数 | B.是减函数 | C.先减后增 | D.先增后减 |
您最近一年使用:0次