名校
解题方法
1 . 已知幂函数
在
上单调递减,函数
.
(1)求
的值;
(2)记集合
,集合
,若
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e04ae8905442db7b618f9705b8f09794.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d562dc22dfb3b81d0c3f88b54d063c2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63c4fb81c019473f1df0b32f24b23143.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)记集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d307d1884dcc7611803c38a05e2500d6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/062a33bd909e0a969419499317088d5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04ceb1f338fa60976229d7ec6531b626.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
您最近一年使用:0次
名校
解题方法
2 . 已知集合
,函数
的值域为集合
.
(1)当
时,求
;
(2)若“
”是“
”的充分不必要条件,求正数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88ad14323ac3e6d44befe1bfde1f4297.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31162953851dd385ff04de523f9a3f18.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3744e71abf4b43e128eabea9181b712.png)
(2)若“
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ed006b944ea64f970fee46e2f558467.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e23af61cd402b3789af2401bde9cbefe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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名校
3 . 已知M,N均为
的子集,若存在
使得
,且
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a43b2faa4f81f32d94612dce724e772b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acfc595518cf752e1c7903dfff93dbda.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9b0ed3094b31ad4e4393eda717bca16.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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名校
解题方法
4 . 已知集合
,常数
,
.
(1)当
时,求
;
(2)若
是
的必要非充分条件,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25c2614e21e865e481b2c58f7fd07322.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20849c00c47cbdc43f18d53341b6c4e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a82eb7e2b7a60d7a984e4e1e647214f7.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3744e71abf4b43e128eabea9181b712.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ed006b944ea64f970fee46e2f558467.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e23af61cd402b3789af2401bde9cbefe.png)
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名校
解题方法
5 . 已知
,
,若
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9268c5b34441091450f4cfe9926f7eed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e7f34666d43e7b2c4b93f2a9ae519bd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dea9a4259cca10c1f5af28e621ebafd6.png)
A.![]() | B.![]() | C.![]() ![]() | D.![]() |
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解题方法
6 . 设集合
,集合
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6dcaf41cda5c2df78a0ed2ac97277ceb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14b4415c1e4c6e13092a7e50878c2671.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae188ca5cf152a766525c72be662805d.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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7 . 已知集合
.
(1)若
,求
;
(2)若
,求实数m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27a024ced657f1190c21374ebf82432a.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7aed39f5aca78934fb383402433fe549.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/361048fd1b1a7f3b7230404a04b7155a.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/caf22d7d1a965bda25168a233fb6290c.png)
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解题方法
8 . 已知函数
,
,
.
(1)求
的值域,
(2)记
的值域为D,试问是否存在a,使得集合
有且只有2个元素?若存在,求a的取值范围;若不存在,请说明理由.
参考公式:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42acdd1133b704619a90574c14573b10.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b6b0a9dc8e28b1860047e802f920856.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/50a9b374c948a69989ddf75a9b03ff6b.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
(2)记
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2ea1b63392f80627520147815865a45.png)
参考公式:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b2b054c81868032ddb0927b766936e2.png)
您最近一年使用:0次
2023-11-09更新
|
159次组卷
|
3卷引用:河南省青桐鸣2024届高三上学期11月大联考数学试题
河南省青桐鸣2024届高三上学期11月大联考数学试题河南省周口市项城市2023-2024学年高三上学期期中数学试题(已下线)考点10 与二次函数相关的复合函数问题 --2024届高考数学考点总动员【讲】
解题方法
9 . 设集合
且
,则实数
的取值范围是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/208230e714a77da02a47ca7a3f866771.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f67f2ad5360e0fd3438f39682e7a6285.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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名校
10 . 设集合
为正整数,记
为同时满足下列条件的集合
的个数:①
,②若
,则
,③若
,则
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4c53d300599b7f6a1920b2c0c1129a7.png)
______
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f5360ba17ebbf1e2f4fe459a0e8f0bc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38fcec7af3520884b173b29bda6c657a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8abebd83ee26a5519761559f1f7d56ec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ed006b944ea64f970fee46e2f558467.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/827e0933211772799f65eccd2fbce592.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f502a4566762153944f1bb0010f9ab52.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/024e36ae3eeb922bf5fe230aa14f4037.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4c53d300599b7f6a1920b2c0c1129a7.png)
您最近一年使用:0次