名校
1 . 已知命题p:实数x满足
,命题q:实数x满足
.
(1)若
,且p假q真,求实数x的取值范围;
(2)若q是p的必要不充分条件,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36d7045e85c8a3f9dac146525f174b08.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42c4c6ca3b37ca4db8bc64b62d8d82f9.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
(2)若q是p的必要不充分条件,求实数a的取值范围.
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2 . 下列命题正确的是( )
A.命题“若![]() ![]() ![]() ![]() |
B.命题“![]() ![]() ![]() ![]() |
C.若“![]() ![]() ![]() ![]() |
D.“![]() ![]() |
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名校
3 . 已知命题
;命题
﹐
,则下列命题中为真命题的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a44c49dd2eee9359789327cb8efef15a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af5c81af39817c57583a0d1c1bebd36e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dd14c8dbe17d5f981cf4aefae9c4a04.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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20-21高二·全国·课后作业
4 . 当
时,设命题P:函数
在区间
上单调递增;命题Q:不等式
对任意
都成立.若“P且Q”是真命题,则实数
的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/325cd3e57465c5cc93f068c94c2b8f7f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/972cfd3677c0f6342a57d3ab58cf0356.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8168db3449e0942096659d683b1240c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb63478132d4c1fef3c17e591919da83.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.![]() | C.![]() | D.![]() ![]() |
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名校
5 . 已知命题
:
,
; 命题
: 函数
在区间
上单调递减.
(1) 若命题
为真命题, 求
的取值范围;
(2)若命题
为假命题,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c780149aef1bd77162e85f7f8906a6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b7a8b9bb4ddc52c215485351851fad65.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8326d9b0e018962618d9d42aebed290a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8a2f679037b3dabdfdfa56cdbe75fcd.png)
(1) 若命题
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若命题
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f675824e539f50cec53120959d32e554.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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2020-05-16更新
|
265次组卷
|
3卷引用:陕西省西安市大联考2022-2023学年高一下学期6月期末数学试题