名校
解题方法
1 . 已知集合![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c958250ae56d0e20e717e61c23a976fa.png)
(1)当
时,命题
,命题
,若
为真命题,求
范围;
(2)若
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c958250ae56d0e20e717e61c23a976fa.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e94f16d5ed858699bfea5039a7bf8ae6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fc11e9183ffccd297df4a1c18618bae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/218c5309e534904dc6bf768074965239.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abb9d57cbe246df4aa7b2e12e4aed9ed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(2)若
![](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
名校
解题方法
2 . 已知函数
.
(1)求不等式
的解集;
(2)设函数
,若对任意
,都存在
,使得
成立,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/106d16034100f58a043f025e4af74569.png)
(1)求不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abdaffa9c15517afe6d7ba6488f88f67.png)
(2)设函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7d9fd4c8f7de4396bd944aced44f85b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94f9d255ca420fa2486b11fcb7763b44.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33890c6b0bf167514d44139d9dca0154.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e63bbadc6250f7139836ede33205550.png)
您最近一年使用:0次
2023-01-31更新
|
291次组卷
|
6卷引用:宁夏银川一中2022-2023学年高二下学期期中考试数学(文)试题
名校
解题方法
3 . 已知命题
:“方程
有两个不相等的实根”,命题
是真命题.
(1)求实数
的取值集合
;
(2)设不等式
的解集为
,若
是
的充分条件,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36bcb4df710cf7fc5a4159380ae5451e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
(1)求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
(2)设不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d265e5e9080ddd90f80de0bee1b6af5d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e7e1fa812959e02056b3fe12782dd94.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acfc595518cf752e1c7903dfff93dbda.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2022-11-23更新
|
115次组卷
|
3卷引用:宁夏银川市第二中学2022-2023学年高二上学期期中考试数学(文)试题
名校
4 . 已知函数
,
.
(1)记
的解集为集合
,且集合
,若
,求实数
的取值范围;
(2)
,若方程
有5个不同的实数根,则实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f45afdf4d717bb03adac6b899c367acb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69ee806e06080b3c81b25d635bcd9544.png)
(1)记
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c41fdacbdb09cc6d1bfc1d6dee8b702.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/211fba2f88a04b075dbf781613b17178.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e544b1304a6bbc87283cf741f134cebe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3543e488633eeb60decd6e9d4158ad3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1c687b7b0cf5003cef55b8ade8eeb97.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
名校
解题方法
5 . 已知命题:“∃x∈[﹣1,1],使等式m=x2﹣x成立”是真命题.
(1)求实数m的取值集合M;
(2)设不等式(x﹣a)[x﹣(2﹣a)]<0的解集为N,若N⊆M,求a的取值范围.
(1)求实数m的取值集合M;
(2)设不等式(x﹣a)[x﹣(2﹣a)]<0的解集为N,若N⊆M,求a的取值范围.
您最近一年使用:0次
名校
6 . 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:2017届宁夏银川一中高三上学期月考一数学(文)试卷
13-14高一上·广东·期末
7 . 已知:函数
是
上的增函数,且过
和
两点,集合
,关于
的不等式
的解集为
.
(1)求集合A;
(2)求使
成立的实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://img.xkw.com/dksih/QBM/2013/2/22/1571120867049472/1571120872644608/STEM/2844336b431b431ea76aeb6edc4218fa.png?resizew=52)
![](https://img.xkw.com/dksih/QBM/2013/2/22/1571120867049472/1571120872644608/STEM/f641a2f7958949e3b415d1dd2cea2cfc.png?resizew=33)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a5d10c00edbeb32ec5d3c2270cc65fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14e1a4c3f794807fadf23bdee0c59013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(1)求集合A;
(2)求使
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b05d2be27e8f53e4de3071846dffb41.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次