名校
解题方法
1 . 已知
是定义在实数集
上的函数,把方程
称为函数
的特征方程,特征方程的两个实根
,
称为函数
的特征根.
(1)讨论函数
的奇偶性,并说明理由;
(2)求
的表达式;
(3)把函数
在
上的最大值记作
,最小值记作
,令
,若
恒成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/decf79fb602d6c309a94405b08774e1d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77c9320d009a17deba67f208c7d8be8c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd5452c267983506a7cb3373e19fd5f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(1)讨论函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11965eeeb67b05aed83df66d81a35156.png)
(3)把函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d31e72421c0d65e00edb2acce12abffd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f15e2060ff6e4c18569d47d24d168c1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c937e382d0064b1e38b4f67a73a3dec1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4934d990eccc2ab8681c064141fb4e12.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a5148462fc956869c57ca413a9f06ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
您最近一年使用:0次
2022-07-18更新
|
532次组卷
|
3卷引用:山东省滨州市实验中学2023-2024学年高一上学期期末模拟数学试题