函数
的图象的对称中心的坐标是_________ ;对称轴方程是_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/75e70da54be65b2d42ae94e6591043cd.png)
更新时间:2020-06-25 21:17:51
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解题方法
【推荐1】已知定义在R上的函数
满足
,且函数
的图象关于
对称,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad69e072416bd6c6118f619a5d102964.png)
___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16b701f9199136385b26063d69a59e67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2c3dd8fa2dc8c0c7e255bfb054ad34c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d7a999c36de5c9a9ce876a4a56fa34c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad69e072416bd6c6118f619a5d102964.png)
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【推荐2】函数
,下列对函数
的性质描述正确的是______
①函数
的图象关于点
对称
②若
,则函数
有极值点
③若
,函数
在区间
单调递减
④若函数
有且只有
个零点,则
的取值范围是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eae5b3f8e7c7cca715831027ab0cb216.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
①函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/afa482d7bcaa385bfc3548b42a4bfb60.png)
②若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb5f421939ee855f25927e7570d82c71.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
③若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/faf3e4d389bbef2e303e2c6eada4da09.png)
④若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ca7d1107389675d32b56ec097464c14.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5d6243e93c41978871cb23d8e66148d.png)
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【推荐1】设函数
,则使得
成立的
的取值范围是________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/deab9be1030d92fea4ae2f35f60e761c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b663ca523da20b37820423ddac39c676.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
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【推荐2】如图所示,正方形
的四个顶点在函数
,
,
的图像上,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b1fa2cc78a67b45ca916c0b22797d4a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ba6ce69b177beb055f321c2e6cc3b53.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/207e191896ad70b595056948be165e95.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/26/8468b069-699d-4d17-959f-78db06b28774.png?resizew=155)
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