1 . 已知函数
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1be01f5cb16c638ab48e5180c684d5ec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b735d04e727bc230a4904301a2ae124.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2 . 已知全集
.集合
,
.
(1)求
;
(2)求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3350fd179809c98f8f2e4ed1a204b76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08fec8bd495de3be7d1613fb3a426b39.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb26712c3d388953fc62877c64407803.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d671d4ce46f03f75a328734f2acbac91.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88c4e52cfc02fd28862907e4e7e8aa66.png)
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解题方法
3 . 设函数
满足
.
(1)求
的解析式;
(2)若
恒成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5031484c1837eb7718d67453f9b0b3a1.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/365db8b7a92d1f66531206ad8f3d10a7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
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4 . 函数
满足
都有
成立.若
.
(1)求
;
(2)若
是
上的递减函数,解不等式
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b0c91e079270fd5e146f4c1c50a074b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6521ef75f0a05fe62cdfd2fbbe0430b6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b4ed4485745f1d259a3953c242b9cf2.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54bd888bfb31bdd6cddc28e687304406.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/669d7dbb2a18e2e6f424d32d24cfe1d5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df1e32e0c29cdeed6f1a4af9915a3bf1.png)
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5 . 若函数
是偶函数且
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca9e0dcfe20e16312dd0f390fa78529c.png)
_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8b174d9c391c4587033a0d6c76a6c2e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca9e0dcfe20e16312dd0f390fa78529c.png)
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6 . 二次函数
的单调区间为
,
,则它的对称轴方程为_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe6337d68cd5653767e3a1889b8b2e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66f284c60cffd36bb11e7a3bf217bc4c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a078cd6622c0805dd927092074b6abc6.png)
您最近一年使用:0次
解题方法
7 . 函数
, 则
的值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d9945c9ddb474eaeb49e734ca316b38.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8a1539c074dbff8cb4198cabeee36ed.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
8 . 下列图像是函数
的图像的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/638f348ade850a34a3f0767aed4e6ae0.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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9 . 不等式
的解集是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7359b82594f095a99cbe4008e151302d.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
10 . 函数
的单调区间是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2cbce376a475354d409ae1685cb03d60.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次