名校
1 . 已知
,其中
为常数.
(1)若
的解集为
或
,求
的值;
(2)
使
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cfbed9ecf51f09ea92660e1cae40bc15.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85187c85826beeca12137805293fff77.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82943c267860fa966ae82ac960df6f90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ac3e627026a67df982843808f5115d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c30b1591ed623568f4c0e79fd809c98a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/032e8dc00cdc96860c9cbf8ac09677fc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
解题方法
2 . 已知
,
为常数,函数
.
(1)当
时,求关于
的不等式
的解集;
(2)对于给定的
,
,且
,
,证明:关于
的方程
在区间
内有一个实根;
(3)若
为偶函数,且
,设
,若对任意
,
均成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01ad38aec9b8b5c741a9e83943809967.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f359fbd7bb48389efebb8787398478a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e9c599e8d420006448905acec2b8234.png)
(2)对于给定的
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33890c6b0bf167514d44139d9dca0154.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26d8dafc71b106f39f4e15442220897b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f27822887caad20f3a075ca2fb74155c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c7ecd5cee1dce002ba2356bc164c56b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f803a468e5d66004e57372a5bf2c5e1b.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ebc20d351d51723c9b0a07a20ac14114.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35821eae71dfea3b136fe7ee19944a37.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea3c81a19a9adcdb16b2327c77917166.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b767854aade97dc70a9b32e99be19eb9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
2022-11-17更新
|
342次组卷
|
3卷引用:辽宁省协作校2022-2023学年高一上学期期中考试数学试题
名校
3 . 已知函数
.
(1)若
,求不等式
的解集;
(2)若
,对于任意的
都有
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/06bf9226730c620b96a824af5d0c7c9a.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf0086b054ef120408acac806a1b1318.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18781f9097bf77e85c6b633658fa7cd4.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1bc5e86dbead2bde2fdb2aa0ac6c838f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a205d5d46fae4eec608664738bf50232.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2be09d2c4d61622d22951db4b4504580.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
2020-03-16更新
|
386次组卷
|
4卷引用:辽宁省葫芦岛市协作校2018-2019学年高一下学期第一次考试数学试题
4 . 已知不等式
的解集为(1,t),记函数
.
(1)求证:函数y=f(x)必有两个不同的零点;
(2)若函数y=f(x)的两个零点分别为
,
,试将
表示成以
为自变量的函数,并求
的取值范围;
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5f28031b036e4a37be931d5ff28368.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9e5ddb6547c568811b4f4546126542c.png)
(1)求证:函数y=f(x)必有两个不同的零点;
(2)若函数y=f(x)的两个零点分别为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05e6e3d7843c3fc910405650ea4fbbe3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05e6e3d7843c3fc910405650ea4fbbe3.png)
您最近一年使用:0次