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1 . 下列说法不正确的是( )
A.已知![]() ![]() ![]() ![]() ![]() |
B.不等式![]() ![]() ![]() |
C.命题![]() ![]() |
D.不等式![]() ![]() ![]() |
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2024-03-21更新
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758次组卷
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3卷引用:江苏省扬州市第一中学2023-2024学年高二下学期5月教学质量调研评估数学试题
解题方法
2 . 已知函数
,且对任意的
,
恒成立.
(1)求函数
的解析式;
(2)若对任意的
,不等式
恒成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/570486ed301173eec4a90697863d46c3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb63478132d4c1fef3c17e591919da83.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a1b4d04800acca6ef5a8696befee0ece.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)若对任意的
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66f0ca536621ec8db02707ba65917029.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ca68caa45437df5b9e052e95dc76e0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
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3 . 已知函数
.
(1)
恒成立,求实数
的取值范围;
(2)若存在
使关于
的方程
有四个不同的实根,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86ce29d814986dc6b962e92bc21307b5.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a424380ca8c502751ade8ba1a0517d9c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若存在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58b140e221ddf537b8964fff8557cca0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a69a9fe18b69f6e0d6623a02a0c7ff1a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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2023-11-19更新
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182次组卷
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4卷引用:江苏省扬州市邗江中学2023-2024学年高一上学期期中考试数学试卷
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解题方法
4 . 若不等式
对于任意
恒成立,则实数k的取值范围为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a64f5d014eebefb1cd0064aa38eeb6e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb63478132d4c1fef3c17e591919da83.png)
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2023-11-17更新
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3卷引用:江苏省扬州中学2023-2024学年高一上学期期中数学试题
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5 . 已知集合
,若
,则实数
的取值范围为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80fd0394dcfc2f5f59b735168b27c1da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46fd08ed7e1ed446bfab520b188e60e4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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解题方法
6 . 已知二次函数
(
,
为实数)
(1)若函数图象过点
,对
,
恒成立,求实数
的取值范围;
(2)若函数图象过点
,对
,
恒成立,求实数
的取值范围;
(3)对
,
时,
恒成立,求
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a0d44326c214c7a5ecc3068a29ec96f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
(1)若函数图象过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29343388ca8b33dc98325e65382b38a0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ad5fe274cfc8da2dacfb65801f344ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/061813f1ec633c5c4c393c4de7938322.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若函数图象过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29343388ca8b33dc98325e65382b38a0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7af6f1363d2408040e950196c5ae5151.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/061813f1ec633c5c4c393c4de7938322.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(3)对
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ad5fe274cfc8da2dacfb65801f344ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67ca5fd57c2c2fcc3c7a574fdd1467d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc65d6eb9b63f96d80b54ec9893aee8d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0987dee32b383422b1b426c041457f18.png)
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解题方法
7 . 已知集合
, ![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fadd15e1932fbafa4e1bc4ae6cf676a3.png)
(1)当
时,求
,
;
(2)若
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c83981ecee7c949b4a718b5c7a53244e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fadd15e1932fbafa4e1bc4ae6cf676a3.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e65397f11ea8af736f38debadf420c4a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a964b99d839b459f7f14af1d512edcf4.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d260ffb9e588466866488919f06261db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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2023-10-13更新
|
85次组卷
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2卷引用:江苏省扬州市邗江中学2023-2024学年高一上学期期中考试数学试卷
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8 . 已知命题
,
为真命题.
(1)求实数
的取值集合A;
(2)设
为非空集合,且
是
的必要不充分条件,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aec3d31f48185de4f32e5f506bf74154.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19bcae54385d6e3b683b59cda2336175.png)
(1)求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/900e725a722c21a81632310c69eec03d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ed006b944ea64f970fee46e2f558467.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e23af61cd402b3789af2401bde9cbefe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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2024-03-03更新
|
459次组卷
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4卷引用:江苏省扬州市邗江区五校联盟2023-2024学年高二下学期第二次联考数学试卷
名校
解题方法
9 . 设函数
.
(1)若
恒成立,求实数
的取值范围:
(2)当
时,
,关于
的不等式
在
有解,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d33e96256d4e84eeda0343e174ab204f.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4b95728f351ff334dd6cd9e1ec8d6df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc324a270abca61a1c03313043ae1403.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b4066d5cb9f56aa04ab8a1fb056012a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7077fd2d7d74478891bfc360dc249f9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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2023-10-07更新
|
334次组卷
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4卷引用:江苏省扬州中学2023-2024学年高一上学期10月月考数学试题
江苏省扬州中学2023-2024学年高一上学期10月月考数学试题河北省廊坊市益田中学2023-2024学年高一上学期10月月考数学试题(已下线)高一上学期期末复习【第二章 一元二次函数、方程和不等式】(拔尖篇)-举一反三系列(已下线)2.3二次函数与一元而方程、不等式(第2课时)
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解题方法
10 . 已知函数
(
).
(1)若
的解集为
,解关于x的不等式
;
(2)若
对任意的
恒成立,求
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/331d5e308cd5469e0f28a8d75f79903f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20849c00c47cbdc43f18d53341b6c4e5.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c73a98c1b3504e09bfbe0db849b0d24.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b9f184d0104a27bbf46306b85055651.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12ff5058bd80e279774d3af258e80e70.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25e72f73a14e6449fe4a18bd0fa9b739.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f4eb10694a54696e4295d1887d27005.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33d666bf36f186b8f771faae78d676ad.png)
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2023-09-03更新
|
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|
6卷引用:江苏省扬州市邗江中学2023-2024学年高一上学期10月学情检测数学试题