名校
1 . 已知集合
,
,则
=( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6aed1b3de05252ded9561ef8ca88f07.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c0de2984761850063688fe22e0daa07a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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名校
2 . 对任意的
函数
,都有
,且当
时,
,若关于
的方程
在区间
内恰有6个不等实根,则实数
的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1aedc1c8a16e306bcd6e5154f9ed6dfc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d203f81cd25b0e4b6e0f994d6a042b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a21e1e80acd7ce4837f80e0257fa5357.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/016eff8c401a95d3eb5c7a785632293a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a08bd89cef4f0b1ae3d31a0a9f8f937.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/939f77278a5622a7dfc1759c721d4ee0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.(3,5) | B.(3,4) | C.[3,4] | D.[3,5] |
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名校
解题方法
3 . 已知函数
为奇函数,且
,当
时,
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c09c5c89b0c2a92f8c4b70e69b0eada.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c6fd660dd8bdcb76921fd72436d8f5e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f7dbb416ec1ff1984a724a4f48bf692.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e4e0015bbadab05308e3de499b37799.png)
A.![]() ![]() | B.![]() ![]() |
C.![]() | D.![]() |
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名校
解题方法
4 . 已知
,定义域和值域均为
的函数
和
的图像如图所示,给出下列四个结论,正确结论的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/497d269c30eec393e3f0e877ddbe2983.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cf931ce8b0ed2de7fed7e79279601cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a1cfb60420ff7e72c1b9d64f69ae063.png)
A.方程![]() | B.方程![]() |
C.方程![]() | D.方程![]() |
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5 . 已知函数
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83016b99d34982a8d22712640d5c28f3.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c90ecd2d344e7b1c5ac463f9c9b53a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83016b99d34982a8d22712640d5c28f3.png)
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名校
6 .
的单调递减区间为_______
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/847fdabe1ef704a87347d2d2fb46657c.png)
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名校
7 . 衡阳五一期间某服装店每天进店消费的人数每天都在变化,设第
天进店消费的人数为y,且y与
(
表示不大于
的最大整数)成正比,第1天有15人进店消费,则第2天进店消费的人数为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/75773de43aa4e07a08c41f21fb1cae4c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d0b0567d74a3f28ac036344745b08bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7054b4cdb50f283d6db90ab1a7ad877.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
A.15 | B.16 | C.17 | D.18 |
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名校
解题方法
8 . 已知集合
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d6b896811b39b4317a86f2fd82d4ec24.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1ffcecd98607e741f043fb2abaeebb2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
名校
解题方法
9 . 若函数
是定义在
上的奇函数,且
在
上单调递增,
,则满足不等式
的
的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/870ebc2f7aabb028024894568d749934.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25323b9ea0c48b15cadf4ee916aed649.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/499f29be7db3f98074a12bf45fa1924b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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10 . 对于函数
,
,如果存在实数
,
,
使得
,那么称函数
为
的“重组函数”
(1)已知
,
,是否存在实数
,
,
使得
是
的重组函数?若存在,求出
,
,
;若不存在,试说明理由.
(2)当
,
时,求
的重组函数
的值域.
(3)当
,
时,
的重组函数
有唯一的零点,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0eb7df298a9364b36e079a61caec815c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb7426629cdc261fff37b8e9911a5fc0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0eb7df298a9364b36e079a61caec815c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(1)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03ab5ad1fe0e845cd3d5ce344c3c7026.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f58b0ad687035ad3e0f00b10429065d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0eb7df298a9364b36e079a61caec815c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2725ba7714055705d5b7bf0fb8c72d5b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36761d980b7b57c4b1840740529b1e32.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0eb7df298a9364b36e079a61caec815c.png)
(3)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4551fc4199b2bf3e0370e9b5633eb3ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36761d980b7b57c4b1840740529b1e32.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0eb7df298a9364b36e079a61caec815c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
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