解题方法
1 . 命题
已知幂函数
在
上单调递增,且函数
在
上单调递增时,实数a的范围为集合A﹔命题
关于x的不等式
的解集为B.
(1)若命题P为真命题,求集合A;
(2)在(1)的条件下,若
是
的充分不必要条件.求实数t的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/569675dd7b2aca2732324f4bea5c02e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4fe5a5423ce135a39396860eff57b2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d562dc22dfb3b81d0c3f88b54d063c2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a694398612eb642d58da09529a41fdc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51b6bec0e5c57dc0c97d2581012d2c55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce20ef9c08e82df8c7f45bac6dd31d36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03a42b1d739ba1b2eea55106935f70e3.png)
(1)若命题P为真命题,求集合A;
(2)在(1)的条件下,若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ed006b944ea64f970fee46e2f558467.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e23af61cd402b3789af2401bde9cbefe.png)
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2022-11-25更新
|
171次组卷
|
2卷引用:山东省济宁市微山县第二中学2022-2023学年高三上学期期中数学试题
名校
解题方法
2 . 已知命题
:不等式
的解集中的整数有且仅有-1,0,1,命题
:集合
,
且
.
(1)求命题
,
都为真命题时的实数
的取值范围;
(2)设命题
,
皆为真时
的取值集合为
,
,若全集
,
,求实数
的范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1831f5c2c3244d5fb696d26e47dc00bd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c788f74fa52d276d4b4053d7a4920389.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034672efdeec11b88f10bd9f23bee67b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dea9a4259cca10c1f5af28e621ebafd6.png)
(1)求命题
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)设命题
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d98c697bf3d6ea92dabdf3caf384cf39.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a64dc61989ca50b9ee19d835c4ed268.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/386f8b626b55b11e7a55ca5fcc440e25.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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12-13高一上·福建泉州·期末
3 . 已知集合![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1284b5bfb9d554ffa69bceeea734f93a.png)
(1)若
,求
;
(2)若
,求实数
取值的范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1284b5bfb9d554ffa69bceeea734f93a.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/797c132ca298a11b53f0fe600f95879b.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd9d50619b779c1056602f46b2a95e90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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名校
解题方法
4 . 定义区间
、
、
、
的长度均为
,其中
.
(1)求不等式
的解集区间的长度;
(2)如果数集
,
都是集合
的子集,那么集合
,
的长度的最小值和最大值分别是多少?
(3)已知不等式组
的解集构成的各区间的长度和等于
,求实数
的范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba7204f43679af6935e494c59d40c6ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57b85a97933a1d984f6e484b4021c800.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6bd4d438ae7d4da0e100bb92d622c866.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31a381cebfeee07ae150cdeff6e7a64d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64da75a02173c2a5eb40f4c68d0f4f36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0eae51f0310b87cde2e206643e9d25a5.png)
(1)求不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e17a457b3c5b1fb92d5fc93ae41bc08e.png)
(2)如果数集
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2f1316d9c27c24f2c13276b02276e7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91da3902297bb8b50bb83d27a108d506.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e11f4ca0e7ace69f92130d0525bcdb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3744e71abf4b43e128eabea9181b712.png)
(3)已知不等式组
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42c4ff1a7228f13e9f261caa60303d3a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f8c4c029e552954bd493b49aeab82d5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
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2022-10-27更新
|
140次组卷
|
3卷引用:上海市进才中学2021-2022学年高一上学期10月月考数学试题
名校
解题方法
5 . 已知三个不等式:①
;②
;③
;
(1)若不等式①和②的解集分别为集合A与集合B,求
;
(2)若“
”是“
”的充分不必要条件,求m的范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b7f18821e5860e5ac12413a39ce5e6bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/690162f516e4db438c8e6946604bf72e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e7b904e5c926685b119394a9f6fc65a.png)
(1)若不等式①和②的解集分别为集合A与集合B,求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38ee569a8ff677073ef2b7aaac3ce69f.png)
(2)若“
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e949a465a33bcf9e9a3f8b9cde19cc3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3527e5db0a80be1d9086a91609077168.png)
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2022-10-20更新
|
299次组卷
|
2卷引用:江苏省常州高级中学2022-2023学年高一上学期第一次调研检测数学试题
名校
解题方法
6 . 集合
.
(1)若
,存在集合M使得
,求出这样的集合M;
(2)试问P能否成为Q的一个子集?若能,求b的取值或取值范围;若不能,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f10fceae170e03ea6a37bb850db6883.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3320a13248a3a1208ff6ee85c9d26f36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
(2)试问P能否成为Q的一个子集?若能,求b的取值或取值范围;若不能,请说明理由.
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名校
解题方法
7 . 已知集合
,命题p:
,
.
(1)若命题p为真命题,求实数a的取值范围;
(2)若命题p为真命题时,a的取值构成集合B,且
,求实数m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ab128145ccd470c4dad09d6a5c55ecb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83025679ed826bd9c8a08992f15bd3e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54b53b86bd516400d6fa7dabb3603f31.png)
(1)若命题p为真命题,求实数a的取值范围;
(2)若命题p为真命题时,a的取值构成集合B,且
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2ad78dc8b8aed907b4fe9640c997454.png)
您最近一年使用:0次
2023-11-03更新
|
171次组卷
|
7卷引用:吉林省四平市2023-2024学年高一上学期期中数学试题
名校
解题方法
8 . 集合
,集合
.
(1)请把集合A表示的范围写成区间形式;
(2)若
,求a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d14e8ed8bad135fc33bbd6e8d6ce745f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe6512188b5e726611a8aec8e0729fc8.png)
(1)请把集合A表示的范围写成区间形式;
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04ceb1f338fa60976229d7ec6531b626.png)
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名校
9 . 已知集合
,
.
(1)若
,求实数
的取值;
(2)当
,且
时,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e35675310d18e0ac6bd9e0e5b5533d0d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b8c6f20d2c88cb268a98a531ce385aa.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6e9169f3a6f1d0ae649c61889b78e44.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c48e4da908f869244dd5ba4dd3b4a79.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/903c50b20802dac8f74ae02f271c4407.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d97b89b661205708783c517deaa3db39.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4887473a8091e1ef53a169cc9f211e3a.png)
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解题方法
10 . 已知“
,
”为假命题.
(1)求实数m的取值的集合A;
(2)在(1)的条件下,设集合
,若
是
的充分不必要条件,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d96b743603ab1c10330622f16db78dbe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/888d01322e737b87dc2fc9581ebc51ad.png)
(1)求实数m的取值的集合A;
(2)在(1)的条件下,设集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/06a15a5062d0191327f30cb64439551c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e23af61cd402b3789af2401bde9cbefe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ed006b944ea64f970fee46e2f558467.png)
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