解题方法
1 . 三个数
,
,
之间的大小关系为( ).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a525e811ffc32387348f431b04c32225.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ba7fdfc01da5783c330b1f54d96c442.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f710d089de64927605639ec0d64ddfcc.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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2 . 设全集
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6542d015e7069847b70860ab43b62572.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c96443d13d44c98562a0076fa68d37d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/715476727accc3c6b3c71f2f25c3aaad.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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解题方法
3 . 已知函数
,若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0d0a191ad038b6fc08d08311048d228.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb04d514baf56eec084671b88898770b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98cf78bc7435d06dd8a9112c5c8a178b.png)
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4 . 若函数
,则下列选项正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/150583385e069735493bfe52da78711a.png)
A.定义域为![]() | B.值域为![]() |
C.图象过定点![]() | D.在定义域上单调递增 |
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5 . 已知函数
(
表示不超过
的最大整数),则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45987157289348c4a401551ffd7cb820.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e6b1826b8eadc1e9361d2f989545df0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c4f5908d6a1217e493ed7586b6964dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45987157289348c4a401551ffd7cb820.png)
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解题方法
6 . 函数
的定义域是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45a45165bad781d07e689e2931976ef2.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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7 . 已知函数
的定义域为
,且
,则下列选项不正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a43b2faa4f81f32d94612dce724e772b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19c607aaf014fdd9d18affe116af1964.png)
A.![]() | B.![]() |
C.![]() | D.![]() ![]() |
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8 . 若集合
,集合
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4fa7f541be676dee0b2f9ec7ad965db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb3bf0614b43fee0292fbf3fd3496d12.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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9 . 下列函数中,在
上为增函数的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a43b2faa4f81f32d94612dce724e772b.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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10 . 下列各式一定成立的是( )
A.![]() | B.![]() |
C.![]() | D.![]() |
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