名校
1 . 已知函数
对一切实数
,都有
成立,且
,
.
(1)求
的值;
(2)求
的解析式;
(3)若关于x的方程
有三个不同的实数解,求实数k的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2dcbca3478eae63853d2aab5332e2e56.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d58dc7f34867efb468f6d3506b7602ae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5275143b1335bf2ec2e575cc257f79fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd3c988d875438535244ee2b092a779b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd2648d5b951809271006fd1db61062c.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6181ea7339144345677568a7fd485f84.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(3)若关于x的方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4134547cfa372bb11da533ea1b9a0b51.png)
您最近一年使用:0次
2021-01-02更新
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2623次组卷
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5卷引用:山东省淄博市淄博第十一中学2022-2023学年高一上学期期末数学试题
13-14高二下·山东淄博·期末
解题方法
2 . 函数
是定义在(-1,1)上的单调递增的奇函数,且![](https://img.xkw.com/dksih/QBM/2014/9/29/1571868372475904/1571868378210304/STEM/dbfaf4aabb49478b99301524becee7bc.png)
(Ⅰ)求函数
的解析式;
(Ⅱ)求满足
的
的范围;
![](https://img.xkw.com/dksih/QBM/2014/9/29/1571868372475904/1571868378210304/STEM/8a12e691524f4412b825248fd1c71549.png)
![](https://img.xkw.com/dksih/QBM/2014/9/29/1571868372475904/1571868378210304/STEM/dbfaf4aabb49478b99301524becee7bc.png)
(Ⅰ)求函数
![](https://img.xkw.com/dksih/QBM/2014/9/29/1571868372475904/1571868378210304/STEM/ad8b2e6661ba4738a2fb2f6a6983b202.png)
(Ⅱ)求满足
![](https://img.xkw.com/dksih/QBM/2014/9/29/1571868372475904/1571868378210304/STEM/4358a0ac42a04b72ba475e721cb926fe.png)
![](https://img.xkw.com/dksih/QBM/2014/9/29/1571868372475904/1571868378210304/STEM/5eeb279956ec4cf8a5711279717508ee.png)
您最近一年使用:0次