名校
解题方法
1 . 已知函数
的值域为
,且
在
上单调递减,则
的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0166fd2b62ff317cfde9570c80a5de2e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/870ebc2f7aabb028024894568d749934.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe86cace140f2c3588ab115837bbfc9e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20d6fc9b90f370fbb27552876b650f8f.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2024-03-21更新
|
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2卷引用:湖南省多校联考2023-2024学年高一下学期入学考试数学试题
名校
2 . 已知函数
.
(1)当
时,解不等式
;
(2)若
的最大值是
,求
的值;
(3)已知
,
,当
的定义域为
时,
的值域为
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd65aaa98f9141948893315ce9aafa3a.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a882037b9ce104ecc496e0f31a139361.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/018857ec6e498113b3b12a730d9313da.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acbc6a613224461ade69362d46550474.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
(3)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ffbb4e6b92463a41bd9460dac6b1ca7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8e14206c7d228a7c2259a7b27da8813.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4776c85b79df196f606d3ebf3697fbc3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6fa0c204bd6bc0fa0ab5d41b6e738971.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
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2024-01-25更新
|
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名校
解题方法
3 . 已知函数
的值域为
,则实数
的取值范围为____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dbbd1a4d16b7927d08b92a81ec63692a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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2023-12-13更新
|
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7卷引用:四川省绵阳南山中学2023-2024学年高一下学期入学考试数学试题
四川省绵阳南山中学2023-2024学年高一下学期入学考试数学试题上海市青浦区2024届高三上学期期终学业质量调研数学试题山东省临沂市第十八中学2023-2024学年高一上学期期末模拟数学试题(三)广东省深圳市高级中学2023-2024学年高一上学期期末数学试题(已下线)热点2-2 函数的最值(值域)及应用(8题型+满分技巧+限时检测)广东省深圳市东北师范大学附属中学深圳学校2023-2024学年高二下学期第一次月考数学试卷(已下线)专题03 函数(三大类型题)15区新题速递
名校
解题方法
4 . 已知函数
为定义在
上的奇函数.
(1)求实数b的值;
(2)当
时,用单调性定义判断函数
在区间
上的单调性;
(3)当
时,设
,若对任意的
,总存在
,使得
成立,求m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c8d98ee11235b9ff6c47a5ab20b99c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
(1)求实数b的值;
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5d6243e93c41978871cb23d8e66148d.png)
(3)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bfb8b52b9f71d8cc6e86c7d9a8a47a16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7192c7ee3cec2f724ee10e3bd4d4002.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a49684ba67f71171321586f1a77ad4a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/160eed42a1bf26ff6193cbd9fb311340.png)
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2023-12-04更新
|
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|
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名校
5 . 若函数
的定义城为
,值域为
,则a的值可能为( )(注:x的取值范围叫做函数的定义域,函数值的取值范围叫做函数的值域)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5cf19a6a2634bcd0861daf4470eec529.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c3e441923ed3c1a32720d6aeac2f599.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3fc7b2b4e793c71931cca8650f7a780.png)
A.1 | B.2 | C.4 | D.5 |
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名校
解题方法
6 . 已知
,
,若对任意的
,总存在
,使
成立,求实数m的取值范围为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee03fb5d905bc6ac9c9fb25d19952fb2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b2dad86109e03c55b9999a4cd53d7e0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e121df04531e9275387071a88cb9bb8b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b440b792b9ec93d9aedabfb100892eb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e63bbadc6250f7139836ede33205550.png)
您最近一年使用:0次
名校
7 . 已知函数
,
的值域是
,则实数
的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49d458e5d3a0c2b80ae6a1db2bf09a51.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b10a83c9bcd6e35f1ca4727b79a06a8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2aa311daf7a73f8c45de4462f9d92b6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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|
1862次组卷
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3卷引用:江苏省南通市如东县2023-2024学年高三上学期期初学情检测数学试题
江苏省南通市如东县2023-2024学年高三上学期期初学情检测数学试题海南省儋州市洋浦中学2024届高三上学期11月月考数学试题(已下线)第二章 一元二次函数、方程和不等式【单元提升卷】-【满分全攻略】(人教A版2019必修第一册)
名校
8 . 已知函数
的定义域是![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f030c36bb8786df88d401792062a4100.png)
,值域为
,则满足条件的自然数对
可以是________ (写出一对即可)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2575c7848b0a82ba99a67d1bc9231854.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f030c36bb8786df88d401792062a4100.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1787e471d57e8ee1ad45fcfb629cf86b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e11f4ca0e7ace69f92130d0525bcdb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4562f3225c98cf5cb11b47d98c9cc9c3.png)
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解题方法
9 . 已知函数
的值域为
,则常数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/892560dcff6af9f66a3f735652f69dd7.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d1198817f49462cdbc12c5ed32f882a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a8d7032a512f70f4cf4e1712ed8ba8e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/892560dcff6af9f66a3f735652f69dd7.png)
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名校
10 . 已知函数
,
,与函数
,
,对任意
,总存在
,使得
成立,则实数
的取值范围是__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed00e8e04ac40052164fc5b48a215800.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2dec7de165716232948085168214f61d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35857364af11309d1a72e519e487818b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d58567d3cb3137e68b7ff1671cd8433.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59b8c9b03faad00868b6f8d71fb3d508.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6aeba63723705acec72123273614142e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e63bbadc6250f7139836ede33205550.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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