名校
解题方法
1 . 已知
是定义在
上的奇函数,且满足
,当
时,
,则
等于( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c25fb0c3e1b6ef211233170b9aa9001.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd5bd51834b1fccde85ce6694c0b2a06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b573046ec6528f5d0d8655d8636d51b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da84f798af3113ab7707cdf0d85aecca.png)
A.![]() | B.![]() | C.![]() | D.1 |
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解题方法
2 . 已知
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b1898f28815dae532985957376287.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2020-03-24更新
|
386次组卷
|
2卷引用:2020届安徽省安庆二、七中高三开学考试数学(理)试题
解题方法
3 . 已知集合
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cbf690505c7480030fdd76129722a283.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95e60375f97ff7854f4d3a8b1108d2e3.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
解题方法
4 . 已知
为锐角,
,
,则
的值是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd9ed57fcd8edf20b11104d08d5cde58.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26391feaa0282f947dd191fd5f455c7f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f3df29d301125892d283552c90447762.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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5 . 已知集合
,
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9fedfcd718e48b4695c8a3a0b960234.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1260612cdbb354690c29500a6860c01c.png)
A.A∩B={x|﹣2<x<2} | B.A∩B={x|﹣3<x<2} |
C.A∪B={x|x≥﹣2} | D.A∪B={x|x>﹣3} |
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6 . 已知函数
(
且
)只有一个零点,则实数
的取值范围为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ab8d2356b540ad70896972ab98040f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c400a615a16a1662de98dfb4e49d58d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
A.![]() | B.![]() ![]() ![]() |
C.![]() | D.![]() |
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名校
解题方法
7 . 已知定义在
上的函数
是奇函数.
(1)求实数
的值,并求函数
的值域;
(2)若集合
为
的值域,集合
,集合
,求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ffc81ce4af06feb0c1dbcfb12c2adef.png)
(1)求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ab8092699c71965c630fe76aa3ce8a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ae46867a8debc240b922efb7a580e84.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57b7e4c9bbacdc054047dd2e732ab4c2.png)
您最近一年使用:0次
名校
8 . 已知集合
,集合
,则符合条件的集合
的子集个数为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ca717c6a55e786238e64f7ebd69b9b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1971518cf1d1ab5e707ce8763542d41e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2020-03-20更新
|
637次组卷
|
2卷引用:宁夏吴忠中学2019-2020学年高二上学期开学考试数学(理)试题
解题方法
9 . 函数
的图象大致为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f59f2df10d97bf081a0b0a339f6c1363.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
2020-03-20更新
|
168次组卷
|
2卷引用:2020届安徽省安庆二、七中高三开学考试数学(理)试题
10 . 已知函数
.
(1)判断
的奇偶性;
(2)证明:函数
存在2个不同的零点.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4216c3b0840bcb7c7a846bfb21e25e3e.png)
(1)判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4216c3b0840bcb7c7a846bfb21e25e3e.png)
(2)证明:函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eedfddd4e5616ee4c064f5b4a9a1d98d.png)
您最近一年使用:0次