名校
1 . 定义运算:
,设
,若
,
,
,则
的值域为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6314f18f9bdccebe2a20a6cceca3d61a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b33d00695a7b5c468f8f44ea2bb666b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa7f9b35017daa8b524c5717a355834a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4784338464ebd7b72876659bcb2df179.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24a57996290794e082b21d8f1dfc322a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46be55c8f2760d6db125f46691a3de48.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
名校
2 . 已知函数
,
.
(1)求函数
的对称轴和单调递减区间;
(2)若
且
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8284f1a3b477b0f160c5c99d4348c4a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4166972dec0aa3e8694a44eeb941a08.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce9e7f874f1f6706c2f2d7b5da2754a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2bc5be0c786c0d51f36601e3c009a7a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc1b921548dbf4bc9418758c2c6b2417.png)
您最近一年使用:0次
2020-03-15更新
|
307次组卷
|
2卷引用:云南省丽江市第一高级中学2019-2020学年高一下学期开学考试数学试题