名校
1 . 已知
,若
是
的充分条件,则实数a的值可能是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22f550aa86c35b7b0513b94f9a6eac22.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ed006b944ea64f970fee46e2f558467.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e23af61cd402b3789af2401bde9cbefe.png)
A.8 | B.10 | C.0 | D.![]() |
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解题方法
2 . 已知集合
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00bd96ec4970d0592ae8fe04acf32098.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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3 . 已知函数
.
(1)若
,求不等式
的解集;
(2)已知
在
上单调递增,求a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e0ba068906acd08973bf89c1c06e81c.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22e38c541dec8fce1d26886e5ef7d21f.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6dc64c9fc732c76bec3e691d7ddbbefe.png)
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4 . 若关于
的不等式
有实数解,则
的值可能为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c2988e9445006be90ab2cd66e3b3673.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.0 | B.3 | C.1 | D.![]() |
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2024-03-23更新
|
292次组卷
|
2卷引用:河北省保定市部分高中2023-2024学年高一下学期开学数学试题
名校
5 . 已知不等式
的解集为
,则不等式
的解集为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb18618b100f1c404690899e8b2f6d49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f896211a4b21a5fee93200ed27efa900.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb22c34ca54999693b4601a0ad011244.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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解题方法
6 . 设集合
,若关于
的不等式
的解集为
.
(1)求函数
的解析式;
(2)求关于
的不等式
的解集,其中
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b0eae3f33f00a7d50a6ee127f671e2a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2107eaccec2bf13526b6d3e5a3586e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10eb13ecc3eb6d6c155882e0b70b083d.png)
(2)求关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58300147bcdf259856d7ec5ffe0af5a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13e87088da41685cc8d433fbbe0e18d6.png)
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解题方法
7 . 若命题“
,
”是假命题,则k的值可能为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ccd7af9298cd5ff19d8866fedb42ec4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c363b16c9afcfb918fc3eee6cda2a01d.png)
A.0 | B.1 | C.2 | D.3 |
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解题方法
8 . 已知函数
,若
对于任意
恒成立,则实数k的取值范围是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14327fdeffbd47c8ccf03b7c115f35dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ee44b9932805a49e46a24a0e21a13eb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb63478132d4c1fef3c17e591919da83.png)
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名校
9 . 已知集合
,
.
(1)若
,求集合
;
(2)若“
”的充分不必要条件是“
”,求实数k的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b85fdf5b047f65578128b30c3c56b9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b939dafd97ae74a7b47647dd13d530d.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5095a28bb1b91bf6bed9e2cfbd76bb18.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
(2)若“
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e23af61cd402b3789af2401bde9cbefe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ed006b944ea64f970fee46e2f558467.png)
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解题方法
10 . 已知函数
,若
,则实数a的取值范围为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91e531d7338718be2b8bc22fe425abdf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/708171a29b65c484ff7c9bcf97364b2d.png)
您最近一年使用:0次