1 . 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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解题方法
2 . 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
3 . 已知命题“
,使
”是假命题,其实数
的取值为集合A,设不等式
的解集为集合B,若
是
的充分不必要条件,则实数a的取值范围为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/387816ed918570c58d442132e4ebe381.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc1002c5eeb292444c32850512d34bea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8b99e0ace222ac859fff9f43f13bf54.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ed006b944ea64f970fee46e2f558467.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e23af61cd402b3789af2401bde9cbefe.png)
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2022-10-27更新
|
197次组卷
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4卷引用:河南省顶级名校2023届高三一轮复习10月月考理科数学试题
名校
4 . 已知
对任意实数
恒成立.
(1)求实数
的取值所构成的集合
;
(2)在(1)的条件下,设函数
在
上的值域为集合
,若
是
的充分不必要条件,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9dc84bb3054706a0e4399bc267cb3e6e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(1)求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(2)在(1)的条件下,设函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48afc8637c5bce9c13ca743bf9d71ba4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/304226ca50149b49702928e44d565964.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e23af61cd402b3789af2401bde9cbefe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ed006b944ea64f970fee46e2f558467.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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2023-09-21更新
|
650次组卷
|
4卷引用:河南省部分名校2023-2024学年高三上学期核心模拟数学(一)试题
河南省部分名校2023-2024学年高三上学期核心模拟数学(一)试题浙江省嘉兴市第五高级中学2023-2024学年高一上学期第一次阶段性测试数学试题湖北省武汉外国语学校2023-2024学年高一上学期10月月考数学试题(已下线)模块四 专题5 大题分类练 一元二次函数、方程与不等式 能力拔高练
解题方法
5 . 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)
您最近一年使用:0次
名校
解题方法
6 . 已知集合
或
,集合![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84d411e9aec626f73637e7e4376994b6.png)
(1)若
,且
,求实数
的取值范围.
(2)已知集合
,若
是
的必要不充分条件,判断实数
是否存在,若存在求
的范围
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abea463a4be6af00b65bdbe8be841d09.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10a7f2ae4a1c94f310a11d9ec8a97998.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84d411e9aec626f73637e7e4376994b6.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/993785d7c91c30afc3f39958f7d92566.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a1306087fb1ab787d1e11fb8bc76a3dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)已知集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4dffcb34cc65d419bd82b9c7c8dfee2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a479511a50da604b2fc7398617db8387.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e02cab1add26335b3cb43d5b54c7c853.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
2022-06-06更新
|
938次组卷
|
4卷引用:江苏省盐城市建湖高级中学2023-2024学年高三上学期学情检测(一)数学试题
江苏省盐城市建湖高级中学2023-2024学年高三上学期学情检测(一)数学试题江西省丰城市第九中学2021-2022学年高一(日新部)上学期第一次月考数学试题(已下线)第03讲 充分条件与必要条件(2大考点9种解题方法)(1)(已下线)第06讲 充分条件与必要条件5种题型总结-【同步题型讲义】(人教A版2019必修第一册)
名校
7 . 已知函数
,若使得f(x)没有零点的a的取值范围为集合A,使得f(x)在区间(m,m+3)上不是单调函数的a的取值范围为集合B.
(1)求集合A,B;
(2)若
是
的充分不必要条件,求m的范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b77c22612ce4f80e6e42e5f6858e1d2.png)
(1)求集合A,B;
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ed006b944ea64f970fee46e2f558467.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e23af61cd402b3789af2401bde9cbefe.png)
您最近一年使用:0次
8 . 已知集合
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94b6de227a73749ad7131a6f4f226fd9.png)
(1)若
,求出m的取值范围;
(2)是否存在实数m,使
是
的充分条件,若存在,求出m的范围.若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/267626d32b97424fe697290855a9b451.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94b6de227a73749ad7131a6f4f226fd9.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81b48f8ebf391353fdd01dbf0670df8.png)
(2)是否存在实数m,使
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/320a7c616f6f7207a0a38bb707ac2205.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c8647b00cc8c8f35555c7d78cf2812c.png)
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14-15高二上·江苏徐州·期中
9 . 设
命题
.
(1)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e7417503cc66631eacc05fcef119c6a.png)
(2)若命题
是命题
的一个必要不充分条件,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee7ad52e33a1e486aa3ea73a09698d2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4832a1611f1a8420ba625d17c0bdee36.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e7417503cc66631eacc05fcef119c6a.png)
(2)若命题
![](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)
您最近一年使用:0次
10 . 已知下列命题:
①在某项测量中,测量结果
服从正态分布
,若
在
内取值范围概率为
,则
在
内取值的概率为
;
②若
,
为实数,则“
”是“
”的充分而不必要条件;
③已知命题
,
,则
是:
,
;
④
中,“角
,
,
成等差数列”是“
”的充分不必要条件;其中,所有真命题的个数是
①在某项测量中,测量结果
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f022950e0faa45b617d497b01b5292b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/833ca3490b9389617a2cd4f51d07eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f022950e0faa45b617d497b01b5292b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7160d93f92089ef36f3dab809d3114b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29be23f689eb01e57963495377501257.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f022950e0faa45b617d497b01b5292b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/afa482d7bcaa385bfc3548b42a4bfb60.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66577f4cb97c0d2a213ab1a9a02d1324.png)
②若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98a4e7d0f505a532e4c89cbb7c734c99.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c257cdac5fe3f4136e9f329e62f2db9d.png)
③已知命题
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38f02c864f2209da4a0c28bf7609d1bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04422e908e09c01e9e37cbbd84c16ca4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ffc1bb9d53a27d484396ad74d6a26e0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d34a1cd162eae4dad33336b3b4329155.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eceb820f88982531f74bba8b3aef767d.png)
④
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b794fbafb7105576ac3f483b02027392.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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