名校
1 . 已知函数
的定义域为
,值域为
,其中
.
(1)若
关于原点对称,求实数
的取值范围;
(2)试判断1是否在集合
内,并说明理由;
(3)是否存在实数
,使得对任意
,都有
成立?若存在,求出
的取值范围;若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d6de958c30f5c9b5858681662d321cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1e69392d21261afd8e5e5f096634669.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)试判断1是否在集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(3)是否存在实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e02cab1add26335b3cb43d5b54c7c853.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/47809f53e4dc821e7f3d0cfa4ef03cf0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
解题方法
2 . 已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b66727de73bdb89a3cce558372ca7301.png)
(1)若
,求函数
的零点;
(2)若不存在相异实数
、
,使得
成立.求实数
的取值范围;
(3)若对任意实数
,总存在实数
、
,使得
成立,求实数
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b66727de73bdb89a3cce558372ca7301.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b4d795709b0abcf47bceec2250f2f9b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若不存在相异实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d13f276c8f99b97ad05bb7652ba2c43e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/859458471c86ae39e0cc42d2d960d03e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(3)若对任意实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d13f276c8f99b97ad05bb7652ba2c43e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a9020280b36190cfa9a90e7a2eebfcd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
您最近一年使用:0次
解题方法
3 . 已知函数
.
(1)当
时,求函数
的单调区间;
(2)当
时,若函数
在
上的最小值为0,求
的值;
(3)当
时,若函数
在
上既有最大值又有最小值,且
恒成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d5dd9378570488460b8d1bb90ec4121.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b108ab31cc093f03cf48ad65429889e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb87c830a03204a5b783ad4c2ba49c4e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(3)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba7204f43679af6935e494c59d40c6ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bfbf87824dfbaed92184f190b6e1a493.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
您最近一年使用:0次
2020-07-09更新
|
940次组卷
|
3卷引用:浙江省丽水市2019-2020学年高一下学期期末数学试题
浙江省丽水市2019-2020学年高一下学期期末数学试题(已下线)滚动练03 集合至函数及其表示-2020-2021年新高考高中数学一轮复习对点练浙江省温州市新力量联盟2021-2022学年高二下学期期末联考数学试题
4 . 已知函数
,
,
.
(1)若函数
存在零点,求
的取值范围;
(2)已知函数
,若
在区间
上既有最大值又有最小值,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2b9b1d29604d6123345f0950d88fa58.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/feb82dce5907b307dafe426ef26dde9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10bbdef421c976962a270a2beabbad91.png)
(1)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9829ad49f32fb73dbde8d1d18ab3308e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)已知函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87e46c887599e769d04d03eda66d030e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aeb1ed40a8f67e93401e544284ceaaf2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b7d6a738d2fe0a72fb2462cfc61ccf64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
名校
解题方法
5 . 已知
,
.
(1)求
的解析式;
(2)设
,当
时,任意
,
,使
成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/50d27488d357ba01651aabf47c3997d1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1e69392d21261afd8e5e5f096634669.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b115040942ce88b0376aba6f17caf011.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff565afbddafe8625ef376d7eb3fa649.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8b69b993de78064f9bc0d0f95d5e6ea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2020-05-31更新
|
656次组卷
|
3卷引用:江西省抚州市临川第一中学2019-2020学年高一下学期开学考试数学试题
名校
解题方法
6 . 已知函数
,其中
.
(1)当
时,方程
恰有三个根,求实数
的取值范围;
(2)若关于
的不等式
在区间
上恒成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c486c5d3f78f97833df65d69e2aaf6b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1e69392d21261afd8e5e5f096634669.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5809a06357f94fc7a2156c7e7af1ed2e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
(2)若关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5967cc62862986840af4dd29df4bcc41.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b448fe164c2c2931805e3b3847dcdd75.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2020-05-24更新
|
467次组卷
|
2卷引用:浙江省七彩阳光联盟2019-2020学年高一下学期开学考试数学试题
名校
7 . 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)
您最近一年使用:0次
2020-05-05更新
|
2798次组卷
|
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)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
8 . 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)
您最近一年使用:0次
2020-04-20更新
|
736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
9 . 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)
您最近一年使用:0次
名校
解题方法
10 . 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)
您最近一年使用:0次