解题方法
1 . 我们知道,函数
的图象关于坐标原点成中心对称图形的充要条件是函数
为奇函数,有同学发现可将其推广为:函数
的图象关于点
成中心对称的充要条件是函数
为奇函数.据此,对于函数
,其图象的对称中心是_____________ ,且有![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2221d2974b81b0bb44675ea0bbee65ac.png)
___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9bec550c01b4f075f22ab67f5e55ed5d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05d0969cb7acbeaa05a101a385348a00.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1534055ca63c6eaae36df528f21e077b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2221d2974b81b0bb44675ea0bbee65ac.png)
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2 . 若函数
的图象关于
对称,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/892560dcff6af9f66a3f735652f69dd7.png)
__________ ,
的最小值为______________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f940f69c00028ae8bbf1e1b1a490b906.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/639c3d2ff5ee566fcc1b69c65712a661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/892560dcff6af9f66a3f735652f69dd7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
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2024-01-18更新
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471次组卷
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2卷引用:广东省东莞市2024届高三上学期期末数学试题
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解题方法
3 . 有同学在研究函数的奇偶性时发现,命题“函数
的图象关于坐标原点成中心对称图形的充要条件是函数
为奇函数”可推广为:“函数
的图象关于点
成中心对称的充要条件是函数
为奇函数”.据此,对于函数
,可以判定:(1)函数
的对称中心是_____ ;
(2)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36de60b97e71f2766c5489072cc89a4b.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9bec550c01b4f075f22ab67f5e55ed5d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05d0969cb7acbeaa05a101a385348a00.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a24e95dde0be0386567ac57df30acf32.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a24e95dde0be0386567ac57df30acf32.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36de60b97e71f2766c5489072cc89a4b.png)
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2023-12-22更新
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2卷引用:广东省茂名市信宜市2023-2024学年高一上学期1月期末考试数学试题
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4 . 已知
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d04d73c5b02fc71dabeec66648fc1601.png)
______ ,若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ab60b602065510cb75761f771531280.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d04d73c5b02fc71dabeec66648fc1601.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e517530708a3cce122afdd324e7cfadb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
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5 . 已知“取整数”函数
的函数值表示不超过
的最大整数,例如,
,
.当
时,函数
的解析式为_________ ;定义:尾数函数
,
,那么,尾数函数
的值域为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1550a97c21c1d71c9e95dde569668be0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/797715acd30d07aabbed52bd10b234e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2a6c086cd67c729ec094c21c0d45a5d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e1723c469181c19e892512aa0a29e12.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1550a97c21c1d71c9e95dde569668be0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c30c9b0a1524cd743109e48c95f57cca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24a57996290794e082b21d8f1dfc322a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/946073d6d31709427f68410efa3ae536.png)
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2023-11-24更新
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2卷引用:广东省汕头市龙湖区汕头经济特区林百欣中学2023-2024学年高一上学期期末数学模拟试卷
6 . A是正整数集的非空子集,称集合
且
为集合A的生成集.当
时,则集合A的生成集![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1f9fabbbe61a759e52ec975215e2e7c.png)
_______ ;若A是由5个正整数构成的集合,则其生成集B中元素个数的最小值为_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f447023195351ff974743dedc084fda9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44381a5bf076ada2359eff0dd3dc500a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/365c84a007e82cda046ba107d8804694.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1f9fabbbe61a759e52ec975215e2e7c.png)
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7 . 英国数学家泰勒发现了如下公式:
,
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d11d6d0ff7e23315ab385370425696f.png)
,其中
.可以看出这些公式右边的项用得越多,计算出
、
和
的值也就越精确,则
的近似值为_________________ (精确到0.01);运用上述思想,可得到函数
在区间
内有_____________ 个零点.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/213f40eef1362319f649c07d6171814f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e001efee18e05afab241c12334d98cd5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d11d6d0ff7e23315ab385370425696f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01e21bd94ffce3e1b4d54416817f95dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/815fbba8af7b1ecfb112be6b04284191.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad040ae0fab73f5dd7b1af48cd3b5f93.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a48345d239aaf8e9ca1ff2846c08a99.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66db91bb3be9e2b6ad567774e3699758.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99e6a7ee66d46b2d55c8ee0ba35fdd32.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8eff1c2df9027e8d204599b12ab884c3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8948104535304411538be67474777c9.png)
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8 . 已知函数
,
分别由下表给出,
则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/679762524974b70ebf1a14f8a3c5544a.png)
_____________ ;满足
的x的值是_____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
x | 0 | 1 | 2 |
1 | 2 | 1 | |
x | 0 | 1 | 2 |
2 | 1 | 0 |
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/679762524974b70ebf1a14f8a3c5544a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9a9d6ae086d4c30a203ffcb817c8379.png)
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843次组卷
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4卷引用:广东省广州市七区2022-2023学年高一上学期期末数学试题
广东省广州市七区2022-2023学年高一上学期期末数学试题广东省广州市黄埔区八区联考2022-2023学年高一上学期期末数学试题(已下线)3.1.2 函数的表示法精讲-【题型分类归纳】(已下线)第02讲 3.1.2函数的表示法(精讲精练)(1)-【帮课堂】
名校
解题方法
9 . 已知
是定义在区间
的函数,则函数
的零点是___________ ;若方程
有四个不相等的实数根
,
,
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ade331851befdd556917c4a9de446a38.png)
___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72ff70784f093467fc048162b5eeda2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d562dc22dfb3b81d0c3f88b54d063c2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08072409f95d484e8d9b382a2263cd9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aec19b68e3add9d5bfcc6269a1855b87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/291c25fc6a69d6d0ccfb8d839b9b4462.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/365b38a7689a8eede6820cd6f1fe952b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ade331851befdd556917c4a9de446a38.png)
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2023-02-19更新
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4卷引用:广东省中山市2023-2024学年高一上学期期末数学试题
广东省中山市2023-2024学年高一上学期期末数学试题云南省官渡区2022-2023学年高一上学期期末学业水平考试数学试题云南省昆明市第十二中学2023届高三(重点班)下学期2月月考数学试题(已下线)考点巩固卷06 函数的图象与方程(十大考点)
10 . 我们知道,函数
的图象关于
轴成轴对称图形的充要条件是函数
为偶函数,有同学发现可以将其推广为:函数
的图象关于
成轴对称图形的充要条件是函数
为偶函数.已知函数
,则该函数图象的对称轴为![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ec0618ae3a4fde6d6220010af229b9a.png)
__________ ;若该函数有唯一的零点,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54b53b86bd516400d6fa7dabb3603f31.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf4fcb96325645071888ff481e0c76ed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7282d1a9cfdc42b5f6c28fc0b6b5a774.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ec0618ae3a4fde6d6220010af229b9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
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3卷引用:广东省茂名市五校联盟2022-2023学年高一上学期期末联考数学试题