名校
解题方法
1 . 设命题
是减函数,命题
关于
的不等式
的解集为
,若“
”为真命题,“
”为假命题,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/772d526e30c6631f2047e9cd19f01f6b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce20ef9c08e82df8c7f45bac6dd31d36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a77a179c4c376015b0d3a81501bafd3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f675824e539f50cec53120959d32e554.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c13472bf0353e16784a22e1f890fba40.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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名校
2 . 已知命题
函数
在
上单调递增.
关于x的不等式
解集为R,若
假,
真,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51441c8788ff11be766766227793246d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c867f9b53d200d1a8b1b4609cf493ff6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4dc217fe5e4a3ec8ebc47f062f0b7ccf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce20ef9c08e82df8c7f45bac6dd31d36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/219eb990a4344e7434b3b9f2299f8593.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c13472bf0353e16784a22e1f890fba40.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f675824e539f50cec53120959d32e554.png)
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2020-10-17更新
|
923次组卷
|
2卷引用:湖南省永州市第一中学2020-2021学年高二上学期第一次月考数学试题
名校
3 . 设p:关于x的不等式
的解集是
;q:函数
的定义域为R.若p或q是真命题,p且q是假命题,求实数a的取值范围______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/755f08f72660a91e1618c1b96f73b5cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab6ffb7c0f046e4e9018c1f2e5adfd38.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63cf3b2b1b982ecf18c5f02d963c6c43.png)
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4 . 设命题
:关于
不等式
的解集为
.命题
:双曲线
的离心率
.
(1)如果
是真命题,求实数
的取值范围;
(2)如果命题
和
有且仅有一个为真命题,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0f47fb32faa0913bc44fe11481aa2c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ef10353141bffcad0697eb22b39f8b3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b6bec73355218247ac1b6cf508a4d2b.png)
(1)如果
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)如果命题
![](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)
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名校
5 . 已知命题
:不等式
的解集为
;命题
幂函数
在第一象限为增函数,若“
”为假,“
”为真,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de0c532c8d547e483fae534876ef141c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce20ef9c08e82df8c7f45bac6dd31d36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92be6bafd285df971e811e74b65cb27c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c13472bf0353e16784a22e1f890fba40.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f675824e539f50cec53120959d32e554.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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6 . 设命题
关于
的不等式![](https://staticzujuan.xkw.com/quesimg/Upload/formula/755f08f72660a91e1618c1b96f73b5cb.png)
且
的解集为
;命题
函数
的定义域是
.如果命题“
”为真命题,“
”为假命题,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51441c8788ff11be766766227793246d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/755f08f72660a91e1618c1b96f73b5cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5d74d706d2e4392e25016e9101d07ea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37fa1476cf3552b9ae91ef039b1c6c80.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c6ffa6fe2387ee19234c2ad0fcb92ea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce20ef9c08e82df8c7f45bac6dd31d36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e59ed5d4150fde1364734a21a2477f1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f675824e539f50cec53120959d32e554.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c13472bf0353e16784a22e1f890fba40.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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2020高三·全国·专题练习
7 . 已知命题p:∀x∈R,不等式ax2+2
x+1<0的解集为空集;命题q:f(x)=(2a-5)x在R上满足
,若命题
是真命题,则实数a的取值范围是________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf298f00799cbf34b4db26f5f63af92f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f83ad08bf3e11965b1dbc16ca0e8ca4c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bbe8ec537d71f0ed797c16663c6b50d.png)
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2020高三·全国·专题练习
8 . 已知命题p:∀x∈R,不等式ax2+
+1<0的解集为空集;命题q:f(x)=(2a-5)x在R上满足
,若命题p∧(﹁q)是真命题,则实数a的取值范围是________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d50cb8c3bd108dcb476a4e0ddc84ddf0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7667e3a020f9d2883ffbaaed15e271b1.png)
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9 . 设有两个命题:(1)不等式
的解集为
;(2)函数
恒有意义,如果这两个命题至少有一个是假命题,则
的取值范围为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf35aa061a50ea5122ac465c60c3d15a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a837165ca03f9e4ea8964979c95e3bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7856730bd9239c2c90242a56ca026e7e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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2020-07-16更新
|
263次组卷
|
4卷引用:上海市进才中学2019-2020学年高二下学期期末数学试题
上海市进才中学2019-2020学年高二下学期期末数学试题(已下线)1.3+简单的逻辑联结词(重点练)-2020-2021学年高二数学(理)十分钟同步课堂专练(人教A版选修2-1)(已下线)1.3+简单的逻辑联结词(重点练)-2020-2021学年高二数学(文)十分钟同步课堂专练(人教A版选修1-1)北京市海淀实验中学2021-2022学年高一上学期10月学科活动考试数学试题
10 . 已知命题p:不等式
的解集为R,命题q:
是减函数,若“p或q”为真命题,“p且q”为假命题,则实数m的取值范围是_________________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c5c8818f738a29c7b55034561a92ef2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942d1349f6913c6f10948cf444a60b08.png)
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