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解题方法
1 . 已知函数
(
且
)的图象恒过定点
,二次函数
的图象经过点
,且
的解集为
.
(1)求
的解析式;
(2)求函数
,
的最值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e000ca4f7a68d78fac9e88f6b5e9c1c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c400a615a16a1662de98dfb4e49d58d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c73a98c1b3504e09bfbe0db849b0d24.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2e88ebfb5c0d6cce558b515be06404d.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42ec221ab20a08fa6cdc7a7d6a37d51e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6eabd51487c55d5f5a025a900cee5f4.png)
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2018-11-04更新
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225次组卷
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2卷引用:云南省曲靖市第一中学2019届高三高考复习质量监测卷三文科数学试题