解题方法
1 . 已知函数
在
上为减函数,命题
为假命题,则
的最大值为_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e09579466f29fcf1c1c69f7a172484b3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc70cb5bca1e18e0507e7885ecbe4bfe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c0466b5c05dbb1304026069b8482abaa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
您最近一年使用:0次
2023-07-12更新
|
795次组卷
|
4卷引用:四川省绵阳市2022-2023学年高二下学期期末数学(理)试题
四川省绵阳市2022-2023学年高二下学期期末数学(理)试题(已下线)第四章 三角函数与解三角形 第一节 任意角、弧度制及任意角的三角函数(核心考点集训)广东省阳江市2024届高三上学期开学适应性考试数学试题(已下线)专题05 三角函数4-2024年高一数学寒假作业单元合订本
名校
2 . 给出如下两个命题:命题
,
;命题
已知函数
,且对任意
,
,
,都有
,求实数
的取值范围,使命题
为假,
为真.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e013c26331b9e64f799b56cb57a1a43.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7e9d01ec7b2690c2804528a32a75bb7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce20ef9c08e82df8c7f45bac6dd31d36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/def04a8431604c6e6d1f353f09a6c13d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aef3046c9dd39b87b1e056cafff1d3a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33bd24e647a626899a243a3f3984f90a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0d0ad7457f0a71b6b624fab81338c1b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c13472bf0353e16784a22e1f890fba40.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f675824e539f50cec53120959d32e554.png)
您最近一年使用:0次
2019-09-18更新
|
628次组卷
|
2卷引用:江苏省天一中学2018-2019学年高二(强化班)下学期期末考试数学试题
11-12高三上·浙江·期中
名校
3 . 已知
,命题
对任意
,不等式
恒成立,命题
存在
,使不等式
成立.
(1)若
为真命题,求
的取值范围;
(2)若
为假,
为真,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2725a89d93c791f7a0098f4964587905.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51441c8788ff11be766766227793246d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3458fb6a384be1db4070110535261309.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e57ec054e38db7830c107a0dc6a0a30.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce20ef9c08e82df8c7f45bac6dd31d36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe7a35b520dfdffe42e95c88b558fb98.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f3ea8ec620a5a1ef2ff22ae23e7f8703.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/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
2018-11-19更新
|
2988次组卷
|
5卷引用: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(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)安徽省滁州市明光中学2020-2021学年高二上学期第二次月考数学(文)试题(已下线)2012届浙江省学军中学高三上学期期中考试文科数学试卷【全国百强校】吉林省长春外国语学校2019届高三上学期期中考试数学试题(理科)
14-15高二上·江西赣州·期末
4 . 已知命题
“存在
”,命题
“曲线
表示焦点在
轴上的椭圆”,命题
“曲线
表示双曲线”
(1)若
是真命题,求
的取值范围.
(2)若
是
的必要不充分条件,求
的取值范围.
![](https://img.xkw.com/dksih/QBM/2016/5/31/1572676781760512/1572676787322880/STEM/5c30948d4c0c44c688159f5871692b1e.png)
![](https://img.xkw.com/dksih/QBM/2016/5/31/1572676781760512/1572676787322880/STEM/6a7ce8ec1cf844c0a171b1afdea43a29.png)
![](https://img.xkw.com/dksih/QBM/2016/5/31/1572676781760512/1572676787322880/STEM/3728c07d5eac484da92df709484afb7d.png)
![](https://img.xkw.com/dksih/QBM/2016/5/31/1572676781760512/1572676787322880/STEM/fda6af107f19498cb1c0907d4b151970.png)
![](https://img.xkw.com/dksih/QBM/2016/5/31/1572676781760512/1572676787322880/STEM/ff678e89b7a64d9f831cb96622bcccdc.png)
![](https://img.xkw.com/dksih/QBM/2016/5/31/1572676781760512/1572676787322880/STEM/b95109ad1a454186ac916063962d2049.png)
![](https://img.xkw.com/dksih/QBM/2016/5/31/1572676781760512/1572676787322880/STEM/27afa60825df4c7195f85e05b05c9841.png)
(1)若
![](https://img.xkw.com/dksih/QBM/2016/5/31/1572676781760512/1572676787322880/STEM/3de0bb45ed2844798d83b71a53695664.png)
![](https://img.xkw.com/dksih/QBM/2016/5/31/1572676781760512/1572676787322880/STEM/518e67732b5945b1b5cec90570c3b2e0.png)
(2)若
![](https://img.xkw.com/dksih/QBM/2016/5/31/1572676781760512/1572676787322880/STEM/3589d455041c4a16b4f38ba965ca2c9a.png)
![](https://img.xkw.com/dksih/QBM/2016/5/31/1572676781760512/1572676787322880/STEM/2c3f363757384867afd72390c433d481.png)
![](https://img.xkw.com/dksih/QBM/2016/5/31/1572676781760512/1572676787322880/STEM/d9ba1d39b6494aa3b91b986e5fd2f59b.png)
您最近一年使用:0次
2016-12-02更新
|
6301次组卷
|
10卷引用:2013-2014学年江西赣州六校高二上学期期末联考理科数学试卷
(已下线)2013-2014学年江西赣州六校高二上学期期末联考理科数学试卷2014-2015学年江西省余江一中高二上学期期中考试理科数学试卷2015-2016学年河南省信阳高中高二12月月考文科数学卷2015-2016学年河南省信阳高中高二上12月月考文科数学试卷2015-2016学年河南省信阳高中高二12月考理科数学试卷2015-2016学年河南省许昌高中等校高二下第一次联考理科数学试卷2015-2016学年河南省许昌高中等校高二下第一次联考文科数学试卷2015-2016学年河南省驻马店市高二上学期期末文科数学试卷2015-2016学年湖北省襄阳市白水高中高二下3月月考文科数学试卷2015-2016学年江西省宜春市奉新一中高二上期末文科数学试卷
9-10高二下·福建福州·期末
5 . 设命题
函数
在区间
上单调递减;命题
函数
的
值域是
,如果命题
或
为真命题,
且
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/3697bc4c1e9500994d95c7c69945a105.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6636ade5165582172a1d83c64c9a736.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce20ef9c08e82df8c7f45bac6dd31d36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/118b93d10817cb283d2f052b1b7e6d58.png)
值域是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.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/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次