解题方法
1 . 设全集
,集合
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/465524dc9d3ce616032fc2a59bf14f60.png)
_____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ddd5f1d68a4054a2678c1402da9dbea4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70da2da7512606299eb9666d4c6f1764.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/613aad6f482efbe4ad3255d0fc0b6564.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/465524dc9d3ce616032fc2a59bf14f60.png)
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2 . 已知幂函数
的图象经过点
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b735d04e727bc230a4904301a2ae124.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f98703a94efdf092738b9b9cc431b2e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40d35fe8beea48ddd36f97dfbb709b21.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b735d04e727bc230a4904301a2ae124.png)
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解题方法
3 . 若函数
在区间
上是减函数,则实数
的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32c53c983eda38bd21974523270a9949.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8445755d83a8478bb4886cfa7bbbd684.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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解题方法
4 . 函数
的值域是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/684b79f63443f43ce34299f3567f6d11.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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解题方法
5 . 已知
且
,则下列函数与
有相同图象的一个函数是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b875e627445e4db715f7345e9d8202e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c400a615a16a1662de98dfb4e49d58d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d77f5191798242b7b9b88a75e17e4425.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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解题方法
6 .
是定义在实数集上的奇函数,且当
时,
,则当
时,
的表达式为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac4cbc7b067862a3d9c6789b392fc068.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/374b3b3d5bfc2174dae33a8c0814b859.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10319efead69f763be6693d9fda55dcb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
解题方法
7 . 函数
的零点个数是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65ff73150f86419bd7f0415942a5df4a.png)
A.0 | B.1 | C.2 | D.不确定 |
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8 . 已知
,那么
等于( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2381e43638d09c217d07c9d7b71679e0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54bd888bfb31bdd6cddc28e687304406.png)
A.0 | B.1 | C.2 | D.4 |
您最近一年使用:0次
解题方法
9 . 设集合
,
,
,则
等于( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b5646d3c4b7d03eb84a47af7e46abf0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a65436c7b6ddae2e0694d40925cc41e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5092fa5d69ef524f9261f3fca4bc9de9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52d3242680125e08df85b240bdbf2e7d.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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10 . 函数
的定义域是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d3ac9347e120e918e4cfac7c231028d.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次