1 . 已知函数
是定义在
上的偶函数,当
时,
,若函数
有且仅有
个不同的零点,则实数
的取值范围为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d479a86a1711709b2d100fe4daf3e7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a154aa77357cb73cbcd37275d873a324.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c8f30dcb2cdb8d88fca0b3bf60ea9fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b480d04ee966a028e0febdf54d4415db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f8c4c029e552954bd493b49aeab82d5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2017-02-23更新
|
2157次组卷
|
3卷引用:2016-2017学年四川省资阳市高一上学期期末考试数学试卷
名校
2 . 定义域为
的函数
满足:
,当
时,
,若
时,
恒成立,则实数
的取值范围是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4811eeb79f8b96a551e31a000c21c43d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5b1af83405d0098ee50062e0cedc40e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6c3cb88017aaff017ebd1b211208db9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66ae8583e0666e73823db7a01b505795.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/663eacf9a511af0cb5a0121725c175b4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2017-02-22更新
|
2386次组卷
|
4卷引用:2016-2017学年江西省宜春市第一学期期末统考高一年级数学试卷
2016-2017学年江西省宜春市第一学期期末统考高一年级数学试卷江西省宜春市2018-2019学年高一上学期期末数学试题新疆乌鲁木齐市第八中学2019-2020学年高三第一次月考数学(理)试题(已下线)专题2-1 函数性质(单调性、奇偶性、中心对称、轴对称、周期性)-2
3 . 定义
与
是对一切实数都有定义的函数,
的值是不大于
的最大整数,
的值是
,则下列结论正确的是____________ .(填上正确结论的序号)
①
②
③
④
是周期函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2ab85825d4a002600ca41bd3cd2ee7d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eda2bc2e6a5eaf4fa5ff901985dd0e53.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2ab85825d4a002600ca41bd3cd2ee7d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eda2bc2e6a5eaf4fa5ff901985dd0e53.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f05fbee3e3863087c9000d8ce3dc44e.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff2a5fd12e932d66bfac3dac2cb8048f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63a7fef4a3399f294be12134b89daab5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c04de04f84fdb14e449af13819d542a8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eda2bc2e6a5eaf4fa5ff901985dd0e53.png)
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4 . 已知函数
的定义域为实数集
,满足
(
是
的非空真子集),若在
上有两个非空真子集
,且
,则
的值域为__________.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a97f89b64fb6704f7730fc834e705d50.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/184beeb6d0967c68e0f2b400efc32521.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b974c96430d008f93e1698c6d71a604.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad57e3727b7bbd795b05332fbf9649e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f65bda40f5ddedfbd732863484fcb55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6d7c37aeae8d9f459d641db31f90a19.png)
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解题方法
5 . 已知
,
是实数,函数
.
(1)当
时,求函数
的单调区间;
(2)当
时,求函数
在区间
上的最大值;
(3)若存在
,使得函数
在
上恒有三个零点,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c39fa0c2746f851404aa02dbcb633dfa.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e33c82654651914db2b5d37568e1af6.png)
(3)若存在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3601b51575fe117accd67200baec2aaa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b9907b9f5f5b560bfdfbff24513d026.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
您最近一年使用:0次
名校
6 . 已知函数
,如果关于
的方程
有四个不同的实数解,则
的取值范围是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad118d4f6a41765a74fb59bb378a5e72.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/373bb80326766d37999549fa2e3c42a6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2016-12-04更新
|
3391次组卷
|
8卷引用:2015-2016学年内蒙古赤峰二中高一上期末理科数学试卷
2015-2016学年内蒙古赤峰二中高一上期末理科数学试卷(已下线)【新东方】杭州新东方高中数学试卷389浙江省之江教育评价2020-2021学年高一上学期期中联考数学试题(已下线)【新东方】绍兴qw83(已下线)【新东方】在线数学15(已下线)期末重难点突破专题01-【尖子生专用】2021-2022学年高一数学考点培优训练(人教A版2019必修第一册)(已下线)黄金卷17 【赢在高考·黄金20卷】备战2021年高考数学全真模拟卷(广东专用)广东省湛江市湛江一中2021届高三下学期3月模拟数学试题
14-15高三上·浙江温州·期中
名校
解题方法
7 . 已知函数
.
(1)若函数
为偶函数,求
的值;
(2)若
,求函数
的单调递增区间;
(3)当
时,若对任意的
,不等式
恒成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b66727de73bdb89a3cce558372ca7301.png)
(1)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/200f24e682c93e02a87f3f9d57dc5d40.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
(3)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b916c6d3fb2fdc67421489f207c93903.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c989623de36d03965b327d2e49c31b80.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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2016-12-03更新
|
2661次组卷
|
5卷引用:2015-2016学年浙江省杭州二中高一上期末数学试卷
14-15高三上·重庆·阶段练习
8 . 对于函数
与常数a,b,若
恒成立,则称(a,b)为函数
的一个“P数对”:设函数
的定义域为
,且f(1)=3.
(1)若(a,b)是
的一个“P数对”,且
,
,求常数a,b的值;
(2)若(1,1)是
的一个“P数对”,求
;
(3)若(
)是
的一个“P数对”,且当
时,
,求k的值及
在区间
上的最大值与最小值.
![](https://img.xkw.com/dksih/QBM/2014/10/29/1571888385777664/1571888391708672/STEM/ff9d70f79149448c84d01eb598f2b3b5.png)
![](https://img.xkw.com/dksih/QBM/2014/10/29/1571888385777664/1571888391708672/STEM/56dac0f37c8243dabeae25e9b9715f44.png)
![](https://img.xkw.com/dksih/QBM/2014/10/29/1571888385777664/1571888391708672/STEM/36fbd3ac31bf4914a60b971f8b1fb961.png)
![](https://img.xkw.com/dksih/QBM/2014/10/29/1571888385777664/1571888391708672/STEM/36fbd3ac31bf4914a60b971f8b1fb961.png)
![](https://img.xkw.com/dksih/QBM/2014/10/29/1571888385777664/1571888391708672/STEM/e3b2346d3163414b8ceadc83e433b93f.png)
(1)若(a,b)是
![](https://img.xkw.com/dksih/QBM/2014/10/29/1571888385777664/1571888391708672/STEM/36fbd3ac31bf4914a60b971f8b1fb961.png)
![](https://img.xkw.com/dksih/QBM/2014/10/29/1571888385777664/1571888391708672/STEM/2e65c991cac94c5ca2093e63b0225f21.png)
![](https://img.xkw.com/dksih/QBM/2014/10/29/1571888385777664/1571888391708672/STEM/d9456723f6e448098d3481a4ce2e9fc0.png)
(2)若(1,1)是
![](https://img.xkw.com/dksih/QBM/2014/10/29/1571888385777664/1571888391708672/STEM/36fbd3ac31bf4914a60b971f8b1fb961.png)
![](https://img.xkw.com/dksih/QBM/2014/10/29/1571888385777664/1571888391708672/STEM/66938ed905df45f7beedba5af5edbeae.png)
(3)若(
![](https://img.xkw.com/dksih/QBM/2014/10/29/1571888385777664/1571888391708672/STEM/a6d67d4663fa4b83b073d34d875ff899.png)
![](https://img.xkw.com/dksih/QBM/2014/10/29/1571888385777664/1571888391708672/STEM/36fbd3ac31bf4914a60b971f8b1fb961.png)
![](https://img.xkw.com/dksih/QBM/2014/10/29/1571888385777664/1571888391708672/STEM/4a7e1596c65b4b558036fee9fef075d2.png)
![](https://img.xkw.com/dksih/QBM/2014/10/29/1571888385777664/1571888391708672/STEM/a0242999656b478b9d688e9f5c9dcead.png)
![](https://img.xkw.com/dksih/QBM/2014/10/29/1571888385777664/1571888391708672/STEM/36fbd3ac31bf4914a60b971f8b1fb961.png)
![](https://img.xkw.com/dksih/QBM/2014/10/29/1571888385777664/1571888391708672/STEM/63693b44a31a48298c2e579d9553c74d.png)
您最近一年使用:0次
2014·全国·一模
名校
9 . 某地需要修建一条大型输油管道通过240公里宽的沙漠地带,该段输油管道两端的输油站已建好,余下工程是在该段两端已建好的输油站之间铺设输油管道和等距离修建增压站(又称泵站).经预算,修建一个增压站的工程费用为400万元,铺设距离为
公里的相邻两增压站之间的输油管道费用为
万元.设余下工程的总费用为
万元.
(1)试将
表示成
的函数;
(2)需要修建多少个增压站才能使
最小,其最小值为多少?
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/749d0e03dc286f2a835768d4ac5f07a8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
(1)试将
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(2)需要修建多少个增压站才能使
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
您最近一年使用:0次
2016-12-03更新
|
1282次组卷
|
8卷引用:2013-2014学年福建省南安一中高一下学期期末考试数学试卷
(已下线)2013-2014学年福建省南安一中高一下学期期末考试数学试卷吉林省洮南市第一中学2020-2021学年第一学期高一期中考试数学(理)试题山西省朔州市应县第一中学2020-2021学年高一上学期第四次月考数学试题(已下线)2014年高考数学考前复习冲刺穿插滚动练习(二)江苏省南通市启东中学2020-2021学年高二上学期第一次月考数学试题江苏省扬州市邗江区公道中学2020-2021学年高二上学期第二次测试数学试题四川省乐山市2020-2021学年高一下学期期末数学试题广东省普宁市2020-2021学年高二上学期期末数学试题
14-15高一上·北京海淀·期末
10 . 已知函数
的定义域为
,且
的图象连续不间断. 若函数
满足:对于给定的
(
且
),存在
,使得
,则称
具有性质
.
(1)已知函数
,
,判断
是否具有性质
,并说明理由;
(2)已知函数
, 若
具有性质
,求
的最大值;
(3)若函数
的定义域为
,且
的图象连续不间断,又满足
,
求证:对任意
且
,函数
具有性质
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/304226ca50149b49702928e44d565964.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40e72f6b2ef3329828cb8fc873eeba7c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe9e329f2730b2be926b121f1ae04c0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0f151c81829978e76345751a7bdfac3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c264ec4a754082c9949c33ac22f2cbb9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f12af2f56950da618a53de06aaf0eee4.png)
(1)已知函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91693f6744dbce37365160a5ffddaaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1376168658dbe7f5b7f4d75fb1db545a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/becd0647bdb5ce234ba9c5f633c58c91.png)
(2)已知函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/561f30dc7dcfa8cb336ace4b711f8fed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f12af2f56950da618a53de06aaf0eee4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(3)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/304226ca50149b49702928e44d565964.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f2d0c9d13770863f59ea9fa45488de63.png)
求证:对任意
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4cf5776ec7059c208daf01ca48a34915.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c972cbd63decec197aec1bdc306de67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de2d001d622225f61d5f069f945acc31.png)
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