1 . 若函数
的关系式由方程
确定.则下述命题中所有真命题的序号为_____________ .
①函数
是减函数;
②函数
是奇函数;
③函数
的值域为
④方程
无实数根:
⑤函数
的图像是轴对称图形.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08f8a29c83bf19a955a5cfe474456cb9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a515116376f8c82276d4e0837b6cf8f8.png)
①函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
②函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
③函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ead3fdcb8fe8f5eb3dbe7d96cabc28b.png)
④方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f00a9728f28395dd763aba3104a1079.png)
⑤函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
您最近一年使用:0次
2023-04-09更新
|
485次组卷
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2卷引用:陕西省渭南市2023届高三下学期教学质量检测(Ⅱ)理科数学试题
2 . “完全数”是一类特殊的自然数,它的所有正因数的和等于它自身的两倍.寻找“完全数”用到函数
:
,
为n的所有正因数之和,如
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96bd4de5fc38b2a07e50bd5fbf8c6862.png)
_______ ;![](https://staticzujuan.xkw.com/quesimg/Upload/formula/275eaf9531cad0b64d32d246b00aee31.png)
_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d25d12ac4b3a7ae98a3a9cf613ab9c9e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f8365233f341451598eb50525a1557a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d25d12ac4b3a7ae98a3a9cf613ab9c9e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd86ee08a07008bafd9c4c9262944cf2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96bd4de5fc38b2a07e50bd5fbf8c6862.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/275eaf9531cad0b64d32d246b00aee31.png)
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2023-03-29更新
|
2476次组卷
|
10卷引用:江苏省八市(南通、泰州、扬州、徐州、淮安、连云港、宿迁、盐城)2023届高三二模数学试题
江苏省八市(南通、泰州、扬州、徐州、淮安、连云港、宿迁、盐城)2023届高三二模数学试题(已下线)江苏省八市2023届高三二模数学试题变式题11-16专题03函数的概念与基本初等函数江苏省八市2023届高三下学期第二次调研测试数学试题(已下线)阶段性检测2.2(中)(范围:集合至复数)(已下线)专题05 等比数列与数列综合求和-2023-2024学年高二数学期末复习重难培优与单元检测(人教A版2019)河南省周口市西华县第三高级中学2024届高三上学期期末统考数学试题湖南省湘潭市湘潭县第一中学2024届高三下学期2月月考数学试题安徽省安庆市第一中学2023-2024学年高二下学期第一次阶段性检测(期中)数学试题2024届安徽省阜阳市皖江名校联盟高三模拟预测数学试题
名校
解题方法
3 . 给出下列结论:
①当
时,
单调递增;
②
,
;
③
,
.
写出符合上述任意两个结论的一个函数,你的答案是:符合______ 的函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ba99a5c5661eedaef4b36ade1a7c5c5.png)
______ .
①当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/78b12f2ff24c52fded1dfd0f0b6940a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d96b743603ab1c10330622f16db78dbe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0acb74208dcbe73fd8cbd89bf86bd69c.png)
③
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d274b4edbba503ea1b3ac1e3d1bbfe91.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ad78298ec1e8ef85d31859444f6a1b0.png)
写出符合上述任意两个结论的一个函数,你的答案是:符合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ba99a5c5661eedaef4b36ade1a7c5c5.png)
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4 . 定义:如果任取一个正常数
,使得定义在
上的函数
对于任意实数
,存在非零常数
,使
,则称函数
是“
函数”.在①
,②
,③
,④
这四个函数中,为“
函数”的是______ (只填写序号).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a43b2faa4f81f32d94612dce724e772b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c4d59ea1fecd34b2d2526c31b5f8c23.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b734e8f1546481e3eb4976008a045de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa6342e0a5a8942cfb1cf535ceb2c50d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6297d03ab21d3f759defd9d2ccefb73.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c904567c3b3734e1eca8d042ef7a7b2d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c75f8a6c3d891169c59fc05f0b5de437.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b734e8f1546481e3eb4976008a045de.png)
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2023-03-23更新
|
170次组卷
|
2卷引用:甘肃省兰州市2023届高三下学期诊断考试文科数学试题
名校
5 . 拓扑空间中满足一定条件的图象连续的函数
,如果存在点
,使得
,那么我们称函数
为“不动点”函数,而称
为该函数的不动点.类比给出新定义:若不动点
满足
,则称
为
的双重不动点.则下列函数中,①
;②
;③
具有双重不动点的函数为_______________ .(将你认为正确的函数的代号填在横线上)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66f66a2b3d90f0d935d6c8ebaf675349.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5980f861d6c2c86b41267ea1e3df2e5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ea5af86d4883390c93905cf10a0fa1d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d1f2954595d272c6ce6690e943dd30c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b53f2666e21f6f51785bde4fad95c35.png)
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2023-03-18更新
|
460次组卷
|
3卷引用:广东省揭阳市普宁国贤学校2023届高三下学期3月衡水大联考数学试题
6 . 已知函数
,
,
在区间I上均有定义,若对任意
,
,
,
成等差数列,则称函数
,
,
在区间I上成“等差函数列”.若
,
,
在区间
上成等差函数列,且
恒成立,则实数b的取值范围是____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a813b5adbf5c7082561237894ba6d599.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b359345c5afa1739bf5ebf8982e1d959.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b03e483e8a37a8e0e1fb327f99ad93ea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63d0532bf8ea573af0bc5bbda9e52154.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d132b0451d85491efaf9ea293b88745.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a813b5adbf5c7082561237894ba6d599.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/deb3b5e31ae23a5e11454df74cae7bcc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d5c448025ea7b5e428a7344e1ecd31b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a813b5adbf5c7082561237894ba6d599.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ead3fdcb8fe8f5eb3dbe7d96cabc28b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17c21e62571c3ecccac71d038cc456a6.png)
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名校
解题方法
7 . 设函数
的定义域为
,给出下列命题:
①若对任意
,均有
,则
一定不是奇函数;
②若对任意
,均有
,则
为奇函数或偶函数;
③若对任意
,均有
,则
必为偶函数;
④若对任意
,均有
,且
为
上增函数,则
必为奇函数;
其中为真命题的序号为__ (请写出所有真命题的序号).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a43b2faa4f81f32d94612dce724e772b.png)
①若对任意
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb63478132d4c1fef3c17e591919da83.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83bb06544da76ec02c74d2adb0a115d6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
②若对任意
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb63478132d4c1fef3c17e591919da83.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8c76849db86d931f64f9e6e65ebce9c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
③若对任意
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb63478132d4c1fef3c17e591919da83.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/465476d4a842d56606427d597a1abbfe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
④若对任意
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb63478132d4c1fef3c17e591919da83.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8c76849db86d931f64f9e6e65ebce9c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a43b2faa4f81f32d94612dce724e772b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
其中为真命题的序号为
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8 . 写出命题“能找到两个奇函数
和
,使得函数
不是偶函数”的否定:“______ ”.并判断所写命题的真假:这是一个______ 命题.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7d19de9707f80fe0f6e6aad2406d31a.png)
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名校
解题方法
9 . 我们知道,设函数
的定义域为I,如果对任意
,都有
,且
,那么函数
的图象关于点
成中心对称图形.若函数
的图象关于点
成中心对称图形,则实数c的值为__________ ;若
,则实数t的取值范围是__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11bb6324279df94decba955e04ccfa9e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/016707f580fb83b0e4a21ac222883c33.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20b5f13adaf7994c74552746e321b16c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/827539d066d1b78e7ef8bc1569864971.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce4011f9e290d287299851d35ce222a9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab1242ec96ac54e2fd418988d5190a88.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e2c1e6dfc829c296e3eeba11ee41ccb.png)
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2023-01-11更新
|
763次组卷
|
4卷引用:江苏省苏州市2022-2023学年高一上学期期末学业质量阳光指标调研数学试题
江苏省苏州市2022-2023学年高一上学期期末学业质量阳光指标调研数学试题江苏省苏州市2022-2023学年高一上学期期末学业质量阳光指标调研数学试题(已下线)模块四 专题2 题型突破篇 小题进阶提升练(4)期末终极研习室(2023-2024学年第一学期)高一人教A版河南省周口恒大中学2024届高三下学期5月月考数学试题
名校
10 . 对于正整数
,函数
定义如下:
对于实数
,记方程
的不同实数解的个数为
,求使得函数
的最大值为4的所有正整数
的和为___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab9ea375c58fdc6611d86512b7284b82.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/976d18a5396ba232f0aa38d136f1d749.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a82a1224e47f31ecdfffd328d5a3ab6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a82a1224e47f31ecdfffd328d5a3ab6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
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2022-12-27更新
|
472次组卷
|
3卷引用:福建省永定第一中学2022-2023学年高一下学期开学摸底考试数学试题