名校
解题方法
1 . 已知函数
的图象如图示,在直线
的左侧是经过两点
的线段(包括两个端点),在直线
的右侧是经过点
且解析式为
的曲线.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/22/7453969e-4941-49e3-bda5-7afa042b8318.png?resizew=178)
(1)求函数
的解析式;
(2)求
的值;
(3)求方程
的解.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f18a4c82fb069d6c48ea7fd0f5bb8d8a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8d151ad090a8e4af593cf6b9365a9e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3893fcd14417c75a59e44286dd6b00b1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8899f41494c272688621a2276688a0a.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/22/7453969e-4941-49e3-bda5-7afa042b8318.png?resizew=178)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f18a4c82fb069d6c48ea7fd0f5bb8d8a.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2bf30393bc334aca93a2f359425dc4f0.png)
(3)求方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/28638f8c054a7bb4d9b46fde330bc76f.png)
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