名校
1 . 已知函数
的图象经过点
.
![](https://img.xkw.com/dksih/QBM/2019/12/3/2347213233537024/2348679018872832/STEM/b259fbdd-80c2-4e73-8622-4f313bc0d0d9.png)
(1)求函数
的表达式;
(2)如图所示,在函数
的图象上有三点
,其中
,求
面积
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59148ad7d6d3bea3618abae16303fea4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d068ab64807644307cbdda59b49993bc.png)
![](https://img.xkw.com/dksih/QBM/2019/12/3/2347213233537024/2348679018872832/STEM/b259fbdd-80c2-4e73-8622-4f313bc0d0d9.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
(2)如图所示,在函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb1bcc4dc67d50d6a01ec3307585ac9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/655b06387179d53c1e474fcfcb408b1e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
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2019-12-05更新
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2卷引用:重庆市第八中学2018-2019学年高一上学期期末数学试题