名校
解题方法
1 . 已知函数
在区间
上有最小值1和最大值
,设
.
(1)求a,b的值.
(2)若不等式
在
上有解,求实数k的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43b4df2e30b2df45e4f6cdce785ef2bc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7242b2ab643f9470da77e29d043b893.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8d02ea8c4988c5c28ab93f0d70fb55a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea3029a39fe6d67da0c12f68fd19e155.png)
(1)求a,b的值.
(2)若不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db3e74d95e172b2898c30706ffd1c76d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1591d4244dcf5539a4ae98f554e91e61.png)
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2021-01-27更新
|
1012次组卷
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4卷引用:福建省福清西山学校高中部2022-2023学年高二下学期期末考试数学试题
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2 . 已知
为偶函数.
(1)求实数
的值,并写出
在区间
上的增减性和值域(不需要证明);
(2)令
,其中
,若
对任意
、
,总有
,求
的取值范围;
(3)令
,若
对任意
、
,总有
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d39e0779c362601dbbda588e27403f5.png)
(1)求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b029e85e686623cdef977b2cb1f207a.png)
(2)令
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54d0217f0830caf9d0e68b5b3684a835.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fff6e7e2b9f2b68b1647f6350b98dc8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a49684ba67f71171321586f1a77ad4a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0bfd9de2b5573fbb81fe1b7e18c0c30b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
(3)令
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1559261b3df5850d77bb40644c79928f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a813b5adbf5c7082561237894ba6d599.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6f22533a605adde3211191df57362a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f33d1b59bea5b9a0e1298014a6cf0466.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5873c01192b7d33b7483f444f90b5b0.png)
您最近一年使用:0次
2019-11-15更新
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838次组卷
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3卷引用:福建省浦城第一中学2023-2024学年高一上学期期中考试数学试题
3 . 若函数
的最大值为2,则实数
的值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae4ad446250392689e1cc12f2d4ce714.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
A.-1 | B.-2 | C.-3 | D.-4 |
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真题
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4 . 本题共有2个小题,第1小题满分8分,第2小题满分8分.
已知函数
.
(1)若
,求
的值;
(2)若
对于
恒成立,求实数m的取值范围.
已知函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5264a7df0a577d834dc22df60a4762f3.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/033f2c2bee683bec51fd69e2640ca5a0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01ae34b039037d5bc97fc0614b11212f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8ba62f213d8a13395b3edf839080917.png)
您最近一年使用:0次
2016-11-30更新
|
2301次组卷
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7卷引用:福建省2018届数学基地校高三毕业班总复习 基本初等函数1 形成性测试卷(理)数学试卷