名校
解题方法
1 . 已知函数
的定义域为
,满足
.
(1)若
,求
的值;
(2)若
时,
.
①求
时
的表达式;
②若对任意
,都有
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7df0ddc9dc1d3928ad558669f792d16c.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a709d20f9a223b729dbc4426fe0b774.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eaae91ed6da60e86e3bb9b3eb7e03e60.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce9bf00816945629bfcde112091af785.png)
①求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ad5e3a4a816ab036fe3cee1ee7a4e36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
②若对任意
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2dee39c5a3e88d20afa8d372e187460d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71faf056756cabcfcdcc38d2a6dbdfa2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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名校
2 . 有限个元素组成的集合
,
,记集合
中的元素个数为
,即
.定义
,集合
中的元素个数记为
,当
时,称集合
具有性质
.
(1)
,
,判断集合
,
是否具有性质
,并说明理由;
(2)设集合
,
且
(
),若集合
具有性质
,求
的最大值;
(3)设集合
,其中数列
为等比数列,
(
)且公比为有理数,判断集合
是否具有性质
并说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3a3f24673b6e954db3a8b229d8c4564.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36b98ef143f8159f3a7dafa1fd2f2370.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db60e5bbf9b7ccd9bcfa25b13901dc9b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10ca8c31293db23d9e26b2630bfe38f8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5e4e175940ee08d81f043b7dca31027.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/636c838e9c10d079e5df897fce90761b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e3e11cf4b0fd80e880d3dcb578396ae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5541b54297a86241bb4f83f7a629d33.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cdaed4e9e9df56d2df0f29695235f738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c2db7c70d56acbfe9c2ee8520838b93.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
(2)设集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e77c9cf348b80d264050fc3bf522eb0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c1f236961600d47a45f58d6b82f60ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ccb2532e0b8b5cac385d6acc4836085e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79059a3366ed1b339ba1317ce8a1e7f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86e8ab57234dfc54a5315381c59c94f6.png)
(3)设集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3a3f24673b6e954db3a8b229d8c4564.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5cf68fbc317e5e0eae41a3837a83034.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ab46d077ba3d6e13fa1f6a5aaa0ce6b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
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2020-05-13更新
|
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4卷引用:2020届北京市石景山区高三4月统一测试数学试题
名校
3 . 已知:函数
,
.
(1)若
的定义域为
,求
的取值范围;
(2)设函数
,若
,对于任意
总成立.求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9cc90719c0078d2a9dd6590b9ba55bd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b7fda90490b6b98cb1f0878b0cace041.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a43b2faa4f81f32d94612dce724e772b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)设函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0a20457d180264f78d611dc7893d735.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/989f8bd34cd1acecae079e1bc244d64b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4ea6baecc58836834dff78b68bf09cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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2020-05-08更新
|
769次组卷
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3卷引用:四川省成都市蓉城名校联盟2019-2020学年高一上学期期末联考数学试题
名校
解题方法
4 . 已知
是定义在
上的奇函数,且
,当
,且
时,有
成立.
(1)判断
在
上的单调性,并给予证明;
(2)若
对任意的
以及任意
恒成立,求实数
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)
(1)判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/417ab20883d799aaf311371393fa7d7c.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a97087acd5f4a7c147c9ef41e67849a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/262d7da8f17131eef23addd1854b170d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66f0ca536621ec8db02707ba65917029.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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2020-05-08更新
|
563次组卷
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2卷引用:四川省双流中学2019-2020学年高一下学期开学考试数学试题
名校
解题方法
5 . 已知
是定义在R上的奇函数,且当
时,
.
(1)求函数
的解析式;
(2)当
时,不等式
恒成立,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dfd787478c71c8381029d10983852b60.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f74d09df9d5bf8b3e23831551ba735df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81cf2290983710688f3d87bc810653a1.png)
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名校
6 . 已知函数
.
(1)求函数
的定义域;
(2)设
,若函数
在
上有且仅有一个零点,求实数
的取值范围;
(3)设
,是否存在正实数
,使得函数
在
内的最小值为4?若存在,求出
的值;若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2c7082ad32db40f04008553b1d366b9.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a79534888449d1d808fb981bbed56ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2be3ad3dd6803d92df6ff8a80cd35095.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(3)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac6b2aa084c5878f18ad0642a5c9b4c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e915b67f8f747698b8b46d37bc453667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67333949e76ee3da8b17c9f9d4a97fa8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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2020-05-05更新
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2808次组卷
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10卷引用:湖南省长沙市长郡中学2018-2019学年高二下学期期中数学试题
湖南省长沙市长郡中学2018-2019学年高二下学期期中数学试题湖南省常德市石门县第六中学2019-2020学年高一下学期期末数学试题天津市宝坻区第一中学2020-2021学年高三上学期第四次月考数学试题广东省深圳市南头中学2020-2021学年高一下学期期末数学试题(已下线)第4章 指数函数与对数函数 章末测试(提升)-2021-2022学年高一数学一隅三反系列(人教A版2019必修第一册)天津市西青区杨柳青第一中学2021-2022学年高二实验班下学期期末适应性测试数学试题山东省青岛市莱西市第一中学2022-2023学年高一上学期12月月考数学试题江西省吉安市永丰县永丰中学2022-2023学年高一上学期期末考试数学试题(B)新疆生产建设兵团第一师第二高级中学等2校2022-2023学年高一下学期2月月考数学试题福建省闽江学院附属中学2022-2023学年高一上学期期中考试数学试题
7 . 已知函数
,
,
.
(Ⅰ)若
,求满足
的实数x的取值范围;
(Ⅱ)设
,若存在
,使得
成立,试求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc6e4395cb4a2f53e0386725a607cfad.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36ca6c7a07c73c6c9dd9b7abbc460f6e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1e69392d21261afd8e5e5f096634669.png)
(Ⅰ)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e2df755de5680f9cb64a395a8f3d8af.png)
(Ⅱ)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/78c204be088a8fc6c096eedd5b1e7dc7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/601ef3e06c86de022ef7ccc6cbe1ad26.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff7cbc73af4af064d156d0c05b9fdb43.png)
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2020-04-20更新
|
738次组卷
|
3卷引用:浙江省湖州市长兴县、德清县、安吉县2018-2019学年高二下学期期中联考数学试题
名校
解题方法
8 . 已知函数
,记
,
.
(1)若
,
,求集合
、
;
(2)若集合
,
,且
恒成立,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/369c33768fd972b3ebada251ca00a37b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d30bf91f31613ce80bba22a49862db03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6d1d63c6029951283ebd48a4e67e67b.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23725094c363fd158166a8698971694c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dcb5bac75f36bb1dc5c8190d4dbe681d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(2)若集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e373e8dbc56e341e997a918d16ea077b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6d5a1191a3db3ed0d9cfceefc6c5505.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe2d238c3d566f4412c4e5cef33a3366.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/980ab4deb9e7f2bc9288787f5243a4d2.png)
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名校
解题方法
9 . 已知函数
,集合
.
(1)若集合
中有且仅有
个整数,求实数
的取值范围;
(2)集合
,若存在实数
,使得
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a278f183076c660212611979b7d95058.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b186b10ffbdb7ffc0efb1d002b1310ce.png)
(1)若集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ca7d1107389675d32b56ec097464c14.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d09e0f873c8dcd4d00b5fd783ee259ec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2ad78dc8b8aed907b4fe9640c997454.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
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真题
解题方法
10 . 已知
,
,
试比较
与
的大小,并说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca542e78b7d77d008c9c4752afa91a55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c400a615a16a1662de98dfb4e49d58d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a357693afa2cb64082bde4ed5227f2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb0d3e5a7cab453ae9821ac5a26ad1cd.png)
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2020-04-17更新
|
649次组卷
|
2卷引用:河南省八市重点高中联盟2018-2019学年高二下学期领军考试文科数学