(1)已知函数
,求
的解析式;
(2)已知
为二次函数,且
,
,求
的解析式.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4370161e79bafde6539f96ed79280994.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4179ee7ed14f29e6e766fa1ad644771f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45b2249418e99de417cf0a61df430015.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
更新时间:2021-11-19 14:18:14
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【推荐1】根据所给条件,分别求下列函数的解析式:
(1)已知函数
,求
的解析式;
(2)若
是定义在
上的奇函数,当
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,求函数
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(1)已知函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d99e14d5b286d0594d31c489146794fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e541ea2f855f981c96207070683d388.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea45dda610ad277356045171710ba4ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
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解答题-证明题
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【推荐2】已知函数
.
(1)求
的解析式;
(2)令函数
,判断
在
上的单调性,并用单调性的定义证明.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/760b82284fc7d96a2fc386e17ad61ed9.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)令函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab409bb25958c2f01c73e26042c6f51e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6fe12fb284fc8e2502c9043be594c852.png)
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【推荐1】(1) 已知二次函数的图象过点(-1,-22),(0,-8),(2,8),求此二次函数的表达式.
(2)已知二次函数的图象过点(-3,0),(1,0),且顶点到x轴的距离等于2,求此二次函数的表达式.
(2)已知二次函数的图象过点(-3,0),(1,0),且顶点到x轴的距离等于2,求此二次函数的表达式.
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【推荐2】若
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bab93efd42a3054040ccff8adf697c7a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ed670b1f668778c6243f3f7470ee7d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fceb969de98e32f56f9610c213823489.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9708c59f51c8ed59a859e288e9ac024.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(3)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4474bd87c00ac3ee99ab366527ded109.png)
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【推荐3】已知二次函数
满足
,且
.
(1)求
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(2)设函数
,当
时,求
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e17ee5f43412795671704ab0e8d0b2f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad03ae14c86a74b1ccf7ad7f7c3ba441.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)设函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c096d9531f8cdc1197511ed8b13f1d03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b742c782bbc2d9b587833698d889dfd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a813b5adbf5c7082561237894ba6d599.png)
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