名校
1 . 已知函数
(1)当
时,求不等式
的解集;
(2)若
的解集包含
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f5e03f1fe43c987101ddf1ad386526e.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94cc25a7cf28ed096549fbae97fce40a.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09d3c756a52c9185ae6d02d9b9312f29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1279ef84071f5ad7c4c1681357edd84.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2016-12-03更新
|
545次组卷
|
10卷引用:【全国百强校】河北省武邑中学2019届高三12月月考数学(理)试题
解题方法
2 . 已知集合
,
,若
,则实数
的取值范围是
![](https://img.xkw.com/dksih/QBM/2015/12/23/1572389638201344/1572389643935744/STEM/7b748cdbc6804cef8521a27fa9321588.png)
![](https://img.xkw.com/dksih/QBM/2015/12/23/1572389638201344/1572389643935744/STEM/58ac106655444f44983df3b422462012.png)
![](https://img.xkw.com/dksih/QBM/2015/12/23/1572389638201344/1572389643935744/STEM/e6c0ea1ef9a94323a384583252aba779.png)
![](https://img.xkw.com/dksih/QBM/2015/12/23/1572389638201344/1572389643935744/STEM/d0ba9b9ca9374d349dd395f38b8a2c69.png)
A.[2,+∞) | B.(2,+∞) | C.(-∞,0) | D.(-∞,0] |
您最近一年使用:0次
名校
解题方法
3 . 集合
.
(1)若集合
只有一个元素,求实数
的值;
(2)若
是
的真子集,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0335b557dd2c5b93954c4595a5e56c2b.png)
(1)若集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2016-12-03更新
|
391次组卷
|
3卷引用:河北省衡水中学2018届高三上学期一轮复习周测数学(理)试题
解题方法
4 . 已知非空数集
,且
.
(1)求实数
的取值范围;
(2)当
变化时,若集合
中
的最小值为
,求
的值域.
![](https://img.xkw.com/dksih/QBM/2015/12/1/1572330760658944/1572330766524416/STEM/9ba2a7dec4f9488cbd9cbfc7a430978d.png)
![](https://img.xkw.com/dksih/QBM/2015/12/1/1572330760658944/1572330766524416/STEM/d086d3ef9f354771937cf10ebf3bdc1d.png)
(1)求实数
![](https://img.xkw.com/dksih/QBM/2015/12/1/1572330760658944/1572330766524416/STEM/2a67b08b213a432497a3f8dd151e2266.png)
(2)当
![](https://img.xkw.com/dksih/QBM/2015/12/1/1572330760658944/1572330766524416/STEM/2a67b08b213a432497a3f8dd151e2266.png)
![](https://img.xkw.com/dksih/QBM/2015/12/1/1572330760658944/1572330766524416/STEM/e45811536fe346e0bd4b005f737cd899.png)
![](https://img.xkw.com/dksih/QBM/2015/12/1/1572330760658944/1572330766524416/STEM/3be7a776a542422e80b096ef93387b07.png)
![](https://img.xkw.com/dksih/QBM/2015/12/1/1572330760658944/1572330766524416/STEM/40b32e6a0b9f4918b00bd21477afbb36.png)
![](https://img.xkw.com/dksih/QBM/2015/12/1/1572330760658944/1572330766524416/STEM/40b32e6a0b9f4918b00bd21477afbb36.png)
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5 . 下列关系中,正确的个数为( )
①
②
③
④![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2fb8ef44eea6657a0371158bc664da5a.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f38a1799a5aa1c8410281ae8e461d60f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fdedf6722600ea3a5df49f2bbc9fb155.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb6ad45790aafda0d48cd44b19f54d03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2fb8ef44eea6657a0371158bc664da5a.png)
A.1 | B.2 | C.3 | D.4 |
您最近一年使用:0次
名校
解题方法
6 . 已知集合
,
(Ⅰ)若
,
,求实数
的取值范围;
(Ⅱ)若
,
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e43398b117cc6a8fa642881cb935480d.png)
(Ⅰ)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e85bfa29cffc5bb557dd0565a01dcc5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a882a39e1a9cc7ac99877e9f4c2c2a0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(Ⅱ)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e1ce49f84f6ff0d137dc8fa0a65fdbe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/74a32cb0e18288f91fa37b5453839b8e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
2016-12-03更新
|
731次组卷
|
4卷引用:2016-2017学年河北武邑中学高一上周考9.11数学试卷
名校
解题方法
7 . 已知集合
,
,若
,则
的取值范围为____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3cdb0f0857f6e7480096a3645b6aca7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aba007c52b80103dccae40f6e3d44ce6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/caf22d7d1a965bda25168a233fb6290c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
2016-12-03更新
|
3543次组卷
|
3卷引用:2015-2016学年河北省冀州市中学高一下开学考试数学试卷
13-14高三上·河北唐山·期中
解题方法
8 . 设
,
,若
,则实数a的取值范围是
![](https://img.xkw.com/dksih/QBM/2013/11/28/1571414396215296/1571414400991232/STEM/149fc86d48fb46f3991148c29d908ed8.png)
![](https://img.xkw.com/dksih/QBM/2013/11/28/1571414396215296/1571414400991232/STEM/620608c56418405abde56cac25944597.png)
![](https://img.xkw.com/dksih/QBM/2013/11/28/1571414396215296/1571414400991232/STEM/3de3134a7d3a42dfb35448ffcd26be7d.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2012·河北衡水·一模
解题方法
9 . 设集合
,则“
”是“
”的( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4abf76d7d70a31857981a4cb7d2f06b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fadd2e6f0aa16c2c466c904474ffc79c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c66ed141c1c3947bbf935812c7e440be.png)
A.充分不必要条件 | B.必要不充分条件 |
C.充要条件 | D.既不充分也不必要条件 |
您最近一年使用:0次
11-12高二·辽宁沈阳·期末
名校
解题方法
10 . 已知p:
;q:
,若
是
的必要不充分条件,则实数
的取值范围是__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92709e341e7783b8d358f8baaa7b4c22.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/06f525f39d20af00d186fde1bddb654b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ffc1bb9d53a27d484396ad74d6a26e0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e26b38e357c7d985656ba7bb3c794a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次