名校
1 . 已知
函数
在其定义域上恒成立,
对任意
,
恒成立.
(1)若
为真命题,求实数
的取值范围;
(2)若“
且
”为假,“
或
”为真,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51441c8788ff11be766766227793246d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ff8bb12d7386307e93d18d711560eec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce20ef9c08e82df8c7f45bac6dd31d36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe29e66d8c062cc4fde8943bbc14b4c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cced9aba570431ecc8c7081c9212729b.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)若“
![](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/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
2018-12-08更新
|
2319次组卷
|
4卷引用:【校级联考】河北省廊坊市省级示范校高中联合体2019届高三上学期第三次联考数学(文)试题
2 . 已知
且
,设
,
:方程
表示双曲线.
(1)若
为真,求
的取值范围;
(2)判断
是
的什么条件,并说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2725a89d93c791f7a0098f4964587905.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58b140e221ddf537b8964fff8557cca0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/814d8ce09a385a9baced19f318fc5e27.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8af24774091eefb200a42fa17ba4a228.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f675824e539f50cec53120959d32e554.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
您最近一年使用:0次
2018-10-29更新
|
521次组卷
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2卷引用:【校级联考】河北省廊坊市省级示范性高中联合体2019届高三第一次联考数学(理)试题
名校
解题方法
3 . 已知
,命题
函数
在
上单调递减,命题
不等式
的解集为
,若
为假命题,
为真命题,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58b140e221ddf537b8964fff8557cca0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51441c8788ff11be766766227793246d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/441d994ad2255b051222d2125ee5c1a7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/304226ca50149b49702928e44d565964.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce20ef9c08e82df8c7f45bac6dd31d36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e595c6143b52a4d570cd2da207b0fdbf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.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/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
2018-10-17更新
|
808次组卷
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3卷引用:河北省永清县第一中学2018-2019学年高二下学期第三次质量检测数学试题
名校
4 . 命题
:
,使得
成立;命题
,不等式
恒成立.若命题
为真,则实数
的取值范围为___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89d933a1661aeb82cde28309d14d4d53.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef7ffed3bbf2fcc4f3523a13c99b6564.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80cab2f87002ca6e08cd56ccd7fee140.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/908f046c9ea18ac566f6f8cf42456ec1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c13472bf0353e16784a22e1f890fba40.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2018-07-16更新
|
1674次组卷
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8卷引用:河北省永清县第一中学2018-2019学年高二下学期第三次质量检测数学试题
河北省永清县第一中学2018-2019学年高二下学期第三次质量检测数学试题【全国市级联考】四川省攀枝花市2017-2018学年高二下学期期末调研检测数学(理)试题江西省赣州市南康区2019-2020学年高二下学期开学考试数学(理)试题四川省棠湖中学2019-2020学年高二下学期期末模拟考试数学(理)试题四川省棠湖中学2019-2020学年高二下学期期末模拟考试数学(文)试题(已下线)对点练03 全称量词与存在量词-2020-2021年新高考高中数学一轮复习对点练四川省阆中中学2020-2021学年高三上学期开学考试数学(文)试题江西省宁冈中学2020-2021学年高二上学期期中考试数学(理)试题