1 . 已知命题
,
为假命题,记实数
的取值为集合
.
(1)求集合
;
(2)设关于
的不等式
的解集为
,若__________,求实数
的取值范围.
从①“
”是“
”的充分不必要条件;
②“
”是“
”的必要不充分条件,这两条件中任选一个,填入上面的横线中,并解答.
注:如果选择多个条件分别解答,按第一个解答计分.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/248d3fb187b56abeb0317dee8ae6a010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17ca710fe3374b17f856cc90163ae2c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
(1)求集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
(2)设关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac7725026d64d0083488985f8e1431fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
从①“
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acfc595518cf752e1c7903dfff93dbda.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54c50fb5615e36df436d747356b00d78.png)
②“
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5353e276298ba6a05b6fef7a997c43b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54c50fb5615e36df436d747356b00d78.png)
注:如果选择多个条件分别解答,按第一个解答计分.
您最近一年使用:0次
2 . 已知使不等式
对于一切实数
恒成立的实数
取值的集合为
,关于
的不等式
的解集为
.
(1)求集合
;
(2)若
,且
是
的必要不充分条件,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd96bfc711d21f7cb2e8076c118f6f12.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/176f0ad4b9d581715dff883b0e414044.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(1)求集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a7da3317af42e7e05d771b1b1187976.png)
![](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/294f5ba74cdf695fc9a8a8e52f421328.png)
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3 . 已知命题p:“
,
”是真命题,
(1)求实数a的取值所构成的集合A;
(2)在(1)的条件下,设不等式
的解集为B,若
是
的必要条件,求实数b的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d96b743603ab1c10330622f16db78dbe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5be88e37d6666d2e615e22cde39efe88.png)
(1)求实数a的取值所构成的集合A;
(2)在(1)的条件下,设不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c83ef2857378924331154d82aaf29c96.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ed006b944ea64f970fee46e2f558467.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e23af61cd402b3789af2401bde9cbefe.png)
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4 . 已知命题:“
,不等式
恒成立”为真命题.
(1)求实数
取值的集合
;
(2)设不等式
的解集为
,若
是
的必要不充分条件,则实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c87008291cdba83461d58dbc9426d777.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b51716d14487ab70e9d71830fedab6f5.png)
(1)求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(2)设不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c5ccfbbc96bb6533cb909615ddda02b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](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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2023-05-20更新
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4卷引用:广东省汕头市金山中学2022-2023学年高一下学期期中数学试题
广东省汕头市金山中学2022-2023学年高一下学期期中数学试题河北省保定市六校联盟2022-2023学年高二下学期期末联考数学试题(已下线)第三章 函数的概念与性质 章末测试(基础)-《一隅三反》广东省汕头市潮阳黄图盛中学2023-2024学年高一下学期期中考试数学试卷
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5 . 已知命题:“
,不等式
成立”是真命题.
(1)求实数
取值的集合
;
(2)设不等式
的解集为
,若
是
的必要不充分条件,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c87008291cdba83461d58dbc9426d777.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b51716d14487ab70e9d71830fedab6f5.png)
(1)求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff4489d9b83072184c0e1d6b09be50ca.png)
(2)设不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a56878bb7b66cd8d85da45f6efd7fb8e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](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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3卷引用:湖南省岳阳市2022-2023学年高一上学期期末数学试题
解题方法
6 . 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
|
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|
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
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解题方法
7 . 已知命题:“
,使得不等式
成立”是真命题,设实数
取值的集合为
.
(1)求集合
;
(2)设不等式
的解集为
,若“
”是“
”的充分条件,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/127031e9e1f5534ba2cd41aab1c0c5fd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4d3ca913e1d3670b065399136e5ed9c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(1)求集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(2)设不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3983d8f217b054030a02903d436310e4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](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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8 . 已知命题:“
,使得
”为真命题.
(1)求实数m的取值的集合A;
(2)设不等式
的解集为B,若
是
的必要不充分条件,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/02491f9709f00a1bc169278fbe01f576.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb7b12e33cf59ca118b6f7c5a7bfa351.png)
(1)求实数m的取值的集合A;
(2)设不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4cba0fe60beceb1cd8cffb9e385ec4b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ed006b944ea64f970fee46e2f558467.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e23af61cd402b3789af2401bde9cbefe.png)
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5卷引用:河南省郑州航空巷区育人高级中学2021-2022学年高一上学期11月月考数学试题
河南省郑州航空巷区育人高级中学2021-2022学年高一上学期11月月考数学试题(已下线)1.5 全称量词与存在量词(AB分层训练)-【冲刺满分】(已下线)专题2.3 全称量词命题与存在量词命题(2)-【帮课堂】(苏教版2019必修第一册)广东省珠海市第二中学2023-2024学年高一上学期10月月考数学试题重庆市永川中学校2023-2024学年高一上学期期中数学复习题(一)
9 . 已知命题
“
,关于x的方程
有解”是假命题,
(1)求实数a的取值所构成的集合![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09048b64e651a1318f5e52347ba49070.png)
(2)在(1)的条件下,设不等式
的解集为N,若
是
的必要条件,求b的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51441c8788ff11be766766227793246d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8645952ea14b25443f411d39bdec641e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73bc525a2bfdf950afa9d73807b9175e.png)
(1)求实数a的取值所构成的集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09048b64e651a1318f5e52347ba49070.png)
(2)在(1)的条件下,设不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1253816df2499277a371c5136270e4f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1610cd3a2761673d005821bcc71999bd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ca06304795e9c2c1fd0b4a52eb8d5b9.png)
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10 . 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
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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