名校
1 . 已知函数
.
判断并证明函数
的奇偶性;
判断函数
在定义域上的单调性,并用单调性的定义证明;
若
对一切
恒成立,求实数a的取值范围
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7303c630de5c3e902f8f2e6a6afcacec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9bf6c84731e5e1bd335ecfc2d36c3d81.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f53190d6ead827a6338b9de847aeaf1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f62295c36d2e2174908c2bec0eb5b30f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b72233bec25b5220b31c9388cbe2d7b6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/995ec593baa4ef50b6d87c78380953d7.png)
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2019-03-12更新
|
1395次组卷
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4卷引用:【市级联考】四川省德阳市2018-2019学年高二上学期期末考试数学(文)试题
2 . 已知函数
的定义域为
,当
时,
,且对任意的实数
,
,
恒成立,若数列
满足
(
)且
,则下列结论成立的是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.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/5be1d8c6384d7fabddb693b2b7fcdf4a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54dad48527a47eab4a5916ab0421cc71.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b38e873bf2c1055e5d6d56b700b0c0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63d471926f7b27322d90c82b9ce21d3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b4217e9d745e00f5bab6be847a655fc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cea4ac187cbb465180e89f38250b3970.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dbee4ceccdf3396733d915ea9ab8dcbc.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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3 . 已知
是定义在
上的函数,对任意两个不相等的正数
,都有
,记
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/870ebc2f7aabb028024894568d749934.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ce7ae90d808f05e86ea063238e4b2f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ef72eb211db0bedd1eb39555965e50b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8dee664787af2f6ae5afc24cd1591648.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
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4 . 已知函数
,则不等式
的解集是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c559cd1fba1389b3430dda545b21cf7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c19b95b6166ef3c534c86176d2b8626c.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2018-09-30更新
|
1647次组卷
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4卷引用:河北省沧州市沧县中学2018-2019学年高二下学期期末数学(文)试题
名校
5 . 已知定义在
上的函数
,若对任意两个不相等的实数
,
,都有![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3428f0469571ef6799f094f760d4a44.png)
,则称函数
为“
函数”.给出以下四个函数:①
;②
;③
;④
其中“
函数”的序号为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.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/e3428f0469571ef6799f094f760d4a44.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f20f7a7a651dfb25ee6195e9f4dd31a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a16d2b46560259aff4d6948b7df0184.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/493a0de9ac673c5645f585f7a66b0b13.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48f3d4aa64a22ce09c1b709b1ca37b1c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0626fc44765569e3d70cc027e3d5f9b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
A.①② | B.①③ | C.②③ | D.②③④ |
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2017-08-17更新
|
809次组卷
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3卷引用:山东省聊城市2016-2017学年高二下学期期末考试数学(文)试题
名校
6 . 已知
是定义在
上的奇函数,且
,若
,且
时,有
恒成立.
(Ⅰ)用定义证明函数
在
上是增函数;
(Ⅱ)解不等式:
;
(Ⅲ)若
对所有
恒成立,求实数m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/417ab20883d799aaf311371393fa7d7c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d87cd4403487962c38c8707ba3ab3fa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a547418f2bc38da0091f1a4a482fa5b6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96bc2eeaca8a8ce4bcce2bff011a11bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d01645cf54dd71aa3d55f8f40c9bdaf.png)
(Ⅰ)用定义证明函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/417ab20883d799aaf311371393fa7d7c.png)
(Ⅱ)解不等式:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1406070019e815c5df30d01a191bb2d3.png)
(Ⅲ)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc899dff95c6cb8f085e77f2f12f5503.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66f0ca536621ec8db02707ba65917029.png)
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2017-07-21更新
|
1045次组卷
|
6卷引用:黑龙江省牡丹江市第一高级中学2016-2017学年高二下学期期末考试数学(文)试题
2012·福建宁德·二模
名校
7 . 已知
时,函数
,对任意实数
都有
,且
,当
时,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1fc9348c9def7fbf5991ec2839751ada.png)
(1)判断
的奇偶性;
(2)判断
在
上的单调性,并给出证明;
(3)若
且
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38f0e9c04402a0ffdaa25c3e3c82c7dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/018857ec6e498113b3b12a730d9313da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b0fffbec1fe851795dfdd448bf0d165.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b97b02cc48dab7860567b6c7762b2e87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e0077334d83a27f711b308551eaf14f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05486718d0f498abca5c2c21912bb26d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1fc9348c9def7fbf5991ec2839751ada.png)
(1)判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2bdfed8d6862125dc1fecfce0322a750.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce3a34d6f60032718820c3da2b07786b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc796118b6cc332ab1c14a07e304c1e4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2017-09-17更新
|
2304次组卷
|
6卷引用:安徽省滁州市定远县育才学校2017-2018学年高二(普通班)下学期期末考试数学(理)试题
安徽省滁州市定远县育才学校2017-2018学年高二(普通班)下学期期末考试数学(理)试题(已下线)2012届福建省福鼎一中高三第二次质检理科数学2016-2017学年河北省卓越联盟高一上学期月考一数学试卷河南省南阳市第一中学2018届高三上学期第二次考试数学(文)试题安徽省六安市毛坦厂中学2019-2020学年高三(应届)上学期9月月考数学(理)试题(已下线)考点04 函数的单调性与奇偶性-2021年新高考数学一轮复习考点扫描
名校
解题方法
8 . 设等差数列
满足
,
,数列
的前
项和记为
,则
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4be2164a2c67d6163faee87a10942bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/664847622169bab156cb111337cd039e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cbe6a8f667589234615b63481f1faaf5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4be2164a2c67d6163faee87a10942bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
A.![]() ![]() | B.![]() ![]() |
C.![]() ![]() | D.![]() ![]() |
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2017-06-15更新
|
933次组卷
|
4卷引用:河南省洛阳市2016-2017学年高二下学期期末考试数学(理)试题
名校
9 . 已知函数
,下列命题正确的有_______ .(写出所有正确命题的编号)
①
是奇函数;
②
在
上是单调递增函数;
③方程
有且仅有1个实数根;
④如果对任意
,都有
,那么
的最大值为2.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62edf0bd99475cf37d5d4159497d285c.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
③方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5397ee1eb6d157f6ec1e7a878f8d16e.png)
④如果对任意
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ccf6231da157b3366ce1c284219e1f68.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/085f3f7051d969af530a058862f678a9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
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2017-04-11更新
|
1912次组卷
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12卷引用:北京市育英学校2021-2022学年高二普通班上学期期末练习数学试题
北京市育英学校2021-2022学年高二普通班上学期期末练习数学试题【全国百强校】宁夏石嘴山市第三中学2017-2018学年高二6月月考数学(文)试题湖南省娄底市第一中学2020-2021学年高二上学期第二次单元测试数学试题北京师范大学遵义附属学校2020-2021学年高二下学期第一次月考数学(理)试题2016-2017学年北京市丰台区高三想上学期一模练习理数试卷安徽省六安市毛坦厂中学2019-2020学年高三(应届)上学期9月月考数学(理)试题北京市2020届高考数学预测卷(已下线)专题10 函数的奇偶性的应用-2020年高考数学(文)母题题源解密(全国Ⅱ专版)(已下线)专题09 函数的奇偶性的应用-2020年高考数学(理)母题题源解密(全国Ⅱ专版)(已下线)专题15 函数的综合运用-2020年高考数学母题题源解密(北京专版)北京市第十五中学2022届高三10月月考数学试题北京市育英学校2024届高三上学期统一练习(一) 数学试题
名校
10 . 已知定义域为
的函数
是奇函数.
(Ⅰ)求
的值;
(Ⅱ)当
时,
恒成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/453bea96a2581889ea6fea4a9699cd4c.png)
(Ⅰ)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/280860dd039e1305a5ccc455f63e8223.png)
(Ⅱ)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0654e1172b28822855189f2408ecd2f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0d78e40f6632dcd94d6a012dd9a2489.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
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2017-04-08更新
|
2044次组卷
|
7卷引用:宁夏石嘴山市第三中学2016-2017学年高二下学期期末(2018届高三入学)考试数学(文)试题