名校
1 . 对于三次函数
,定义:设
是函数
的导数
的导数,若方程
有实数解
,则称点
为函数
的“拐点”.有同学发现“任何一个三次函数都有
拐点
;任何一个三次函数都有对称中心;且
拐点
就是对称中心”.设函数
,请你根据这一发现,计算![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f14591bf478ca9e62c18fa863a4458a1.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e367d934bc5de44e8ef7bcd3a2aa1bea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8006c87da66bdc3dfbfca655786704c8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c7028a5fa4d781d382ca3b73b74796e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/724536154ae1f42b09aefea975bbc6d0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b245db45fbcd54c98a252e571c7a81c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5cbf1211335bcbc0ebb05414669eda0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/213925a6262262da1dd2b19daec83aa0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c7028a5fa4d781d382ca3b73b74796e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8dc3966d6f2310513ccb00fbefd9aa56.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1388d1c5a4bf415d05ec014bd88835cc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8dc3966d6f2310513ccb00fbefd9aa56.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1388d1c5a4bf415d05ec014bd88835cc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6684c7e3ecd3e6638e3f1b801969e344.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f14591bf478ca9e62c18fa863a4458a1.png)
您最近一年使用:0次
2018-03-20更新
|
464次组卷
|
3卷引用:四川省雅安中学2019-2020学年高二5月月考数学(理)试题
名校
解题方法
2 . 已知函数
.
(1)解关于
的不等式
;
(2)若对任意的
,
恒成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e53b41a402af793c7d071791756c804.png)
(1)解关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43edfdd9710886f28bde1e64998e59e7.png)
(2)若对任意的
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/365114c53aa12abda1004c8e4cb4ca0c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/28fa3ed609bdc14123912bb6ade6fd03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2020-09-01更新
|
1627次组卷
|
6卷引用:四川省雅安市天立学校2022-2023学年高二上学期入学测试数学试题