1 . 与不等式
同解的不等式是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/177200459caea208eb4e080f7a2c1355.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2023-11-10更新
|
324次组卷
|
2卷引用:天津市弘毅中学2023-2024学年高一上学期过程性诊断(1)数学试题
解题方法
2 . 已知
,且
,则
的最小值是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2a9344f4fca7b9779ca7720e5277ea6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21c7501096f4be07c98e97e29db21a21.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f29d5f376c75c41ae6af0c8a8565449.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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解题方法
3 . 若
,
恒成立,则
最小值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5f85a2619d75e83970212f6e52f333b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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4 . 命题
,则
为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f0d16abf336f5168ada5f5a3cd8941.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ffc1bb9d53a27d484396ad74d6a26e0.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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2023-10-14更新
|
134次组卷
|
3卷引用:天津市弘毅中学2023-2024学年高一上学期过程性诊断(1)数学试题
解题方法
5 . 已知集合
,
,若
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a20180b27b64f40238b3882a0c362e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a763eda889242248421396fd569eb883.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b05d2be27e8f53e4de3071846dffb41.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
A.![]() ![]() | B.![]() ![]() | C.![]() ![]() ![]() | D.![]() ![]() ![]() |
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6 . 不等式
的解集为____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/06f24875a416aa813c4363f157947550.png)
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7 . 若
,
,
,
,则满足上述条件的集合
的个数是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/50ddf960aefef0ea3d60f4c3ee696c3f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f438a058e8e893426ae0830918431ce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ae2fddea1e72ead7e1e4cd039d2ae5e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7199c97be292f83d7bafefc81f35b67f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2023-10-14更新
|
237次组卷
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3卷引用:天津市弘毅中学2023-2024学年高一上学期过程性诊断(1)数学试题
解题方法
8 . 当
,
,且满足
时,有
恒成立,则
的取值范围为____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/061813f1ec633c5c4c393c4de7938322.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2464468ce70f507e1bc6af75b082422a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/563a0fa8baae9ff4ef6156521767537a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
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2023-10-14更新
|
325次组卷
|
3卷引用:天津市弘毅中学2023-2024学年高一上学期过程性诊断(1)数学试题
天津市弘毅中学2023-2024学年高一上学期过程性诊断(1)数学试题(已下线)2.3二次函数与一元二次方程、不等式【第二练】吉林省通化市辉南县第六中学2023-2024学年高一上学期11月半月考数学试题
解题方法
9 . 已知关于的x不等式
.
(1)若
时,求不等式的解集;
(2)若
,解这个关于
的不等式;
(3)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4400a69e0d64486c03ef71f2af62f605.png)
,
恒成立,求a的范围
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ccf5447fc522ced06f7cc892169d54f0.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f22a4a0dd7307a1323d25331e60782d8.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10bbdef421c976962a270a2beabbad91.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4400a69e0d64486c03ef71f2af62f605.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00879cffccc124857ca755a8c345e45f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8507213545e3bb0893aca604a5598c9f.png)
您最近一年使用:0次
2023-10-14更新
|
488次组卷
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3卷引用:天津市弘毅中学2023-2024学年高一上学期过程性诊断(1)数学试题
天津市弘毅中学2023-2024学年高一上学期过程性诊断(1)数学试题(已下线)单元高难问题02函数恒成立问题和存在性问题-【倍速学习法】天津市静海区北师大静海实验学校2023-2024学年高一上学期第二次阶段检测(期中)数学试题
解题方法
10 . 已知全集
,集合
,
.
(1)若
,求
,
;
(2)若
,求实数
的范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6dcaf41cda5c2df78a0ed2ac97277ceb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b76b2b85e5deae675f32b5f35d294a59.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81cb0246118d65e60e01d03586fc5319.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f22a4a0dd7307a1323d25331e60782d8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0408a44fd7c73db8cc1fe8ea88474bc5.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fdbbe46a98a8fdebfc46fcbc45dc88e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次