解题方法
1 . 已知命题
在
内单调递增;命题
:关于
的不等式
对任意实数
恒成立.
(1)若
为真命题,求实数
的取值范围.
(2)若
为真命题,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e9222af8b2091aa600f08af05135b91.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/caf87d9d48c3de0a5e9f1a70e51a0bef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa8a41d6f16f84136233eb87a48d58cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e29e70dc0bc2a9cf1a5feb67d439566.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
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解题方法
2 . 已知集合
,
或
.
(1)当
,求
;
(2)“
”是“
”的充分不必要条件,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/325e52ce11c3a8dd257dad9d97e5d0e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b00e00aeafa5bccd8883fdb9b96355a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074a2025262fb224ccab1efd1c8c992b.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
(2)“
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ed006b944ea64f970fee46e2f558467.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9dccb0f3cdcca85ed41ca903d5b9d0d.png)
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解题方法
3 . 已知
.
(1)若
,求
的值.
(2)若
,且
、
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb8cea1a019225baa966bf16c10e0719.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee57c3926fb6270949209069db695e67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07560f8981f8a6fb2c7ce36f0df1b5af.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79fe35315a44a998f6969a475453e0cc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/481e744af0f65e797a35d976c20f2dac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1db796b223b35e52aa7b4114da8072f5.png)
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4 . 已知
,且
是
的充分条件,则实数
可以是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf42675db6874c52d7177747379c5568.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)
A.3 | B.1 | C.![]() | D.![]() |
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解题方法
5 . 已知函数
为定义在
的增函数,且满足
.若关于
的不等式
恒成立,则实数a的取值范围为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/870ebc2f7aabb028024894568d749934.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a26a5485711386aa0cc3a06cc480656.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80e98fcec27c163a349de58be5db9c28.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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6 . 某商场出售三种品牌电脑,现库存量分别是60台、36台和24台,用分层抽样的方法从中抽取10台进行检测,则这三种品牌的电脑依次应抽取的台数是( )
A.6,3,1 | B.5,3,2 | C.5,4,1 | D.4,3,3 |
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7 . 设
则下列不等式恒成立的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2684b72f9f38f5046c8ecd4280b7b14b.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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8 . 已知
,且
.若
在
处的切线与直线
垂直,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9848a2cb207507d3d994da024bb2d8c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b26993c438dae791f19487ef75b6619.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5bea9227dd0104da58e0c40952cc87ed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd343a0297326fe9346ddb72a649e466.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/892560dcff6af9f66a3f735652f69dd7.png)
A.![]() | B.![]() | C.![]() | D.0 |
您最近一年使用:0次
2023-12-11更新
|
741次组卷
|
5卷引用:江西省丰城市第九中学2021-2022学年高二上学期期末数学(理)试题
江西省丰城市第九中学2021-2022学年高二上学期期末数学(理)试题(已下线)专题02 导数的运算(十大考点)-【寒假自学课】2024年高二数学寒假提升学与练(人教A版2019)(已下线)2.2 导数的概念及其几何意义3种常见考法归类-【帮课堂】2023-2024学年高二数学同步学与练(北师大版2019选择性必修第二册)四川省眉山市仁寿县2023-2024学年高二下学期第一次教学质量监测(期中)数学试题(已下线)北师大版高二模块三专题1第3套小题进阶提升练
名校
解题方法
9 . 若一组数据
的方差为10,则另一组数据
的方差为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11685d0ecb1ed785547018cde2cd4cc5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b79e57fea256031b3054089dcec32119.png)
您最近一年使用:0次
2023-12-11更新
|
863次组卷
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4卷引用:江西省丰城市第九中学2021-2022学年高二上学期期末数学(理)试题
江西省丰城市第九中学2021-2022学年高二上学期期末数学(理)试题四川省绵阳市三台中学校2024届高三上学期第四次月考数学(理)试题(已下线)第九章 统计(知识归纳+题型突破)(2) -单元速记·巧练(人教A版2019必修第二册)(已下线)14.4 用样本估计总体(1)-【帮课堂】(苏教版2019必修第二册)
名校
10 . 已知命题
,都有
,则
为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f2a433f021c3b71f0f3bd8313069025.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f46cfeebdb279a071ae95e4caa1ea135.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ffc1bb9d53a27d484396ad74d6a26e0.png)
A.![]() ![]() | B.![]() ![]() |
C.![]() ![]() | D.![]() ![]() |
您最近一年使用:0次
2023-12-11更新
|
619次组卷
|
4卷引用:江西省丰城市第九中学2021-2022学年高二上学期期末数学(理)试题