名校
1 . 已知函数
.
(1)若
时,
的解集为
时,求实数
的值;
(2)若对任意
,存在
,使
,求实数
的范围;
(3)集合
,若
,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e0be5afa2a9e64ec663846e1b4c1404.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dc9ede2e55724383dd1093fc7fcdb59.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00bae4f8c44ccb73271388938a6f41c1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
(2)若对任意
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec25b9d7ca47b780a744c2ebbf31d925.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f851f9849dfe2c3306d20d06f712069d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/018857ec6e498113b3b12a730d9313da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
(3)集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/938328f01241661268ca59fa46d75ec0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79d02e5de0c92487382f4b98376e9740.png)
您最近一年使用:0次
2019-11-08更新
|
237次组卷
|
2卷引用:上海市曹杨二中2019-2020学年高三上学期期中数学试题
2 . 已知不等式
的解集为
.
(1)求
的值;
(2)若
在
上存在反函数,求实数
的范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1bdbb8c428dec8818f45e96b2e71df92.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a98d9596e9b3ee39180cc72981187927.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c02ed2127693ea75aa7e1fe1e1aa06eb.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f48ce1bf58f2ef6b2cb3d2e713624fd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc30165c18de623d0a3efb961e606d1c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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名校
3 . 已知
,
是两个定义在
上的二次函数,其
、
的取值如下表所示:
则不等式
的解集为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a1cfb60420ff7e72c1b9d64f69ae063.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
1 | 2 | 3 | 4 | |
0 | ||||
0 | 1 | 0 |
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af1da8fd531d5575f65734a9b2a59831.png)
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名校
4 . 已知三个关于
的不等式:(1)
;(2)
;(3)
若同时满足(1)(2)的所有实数
的范围也满足(3),求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c8853e02cfa11fdca84d2e8a0e3d099d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9921de84514e9b4f77068eb1911ca0ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53186745f902db9f0f0058ef230ed1ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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名校
5 . 已知二次函数
和一次函数
,其中a,b,c满足
且
(
);
(1)求证:两函数的图像交于不同的两点A,B;
(2)求
的范围;
(3)求线段
在x轴上的射影
的长的取值范围;
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/331d5e308cd5469e0f28a8d75f79903f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/515a6ddd934c0cf6b19fed772b3835d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce613eaa5df46a50174085ef5d1087fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e56f4504e0f80fd031c8b5f41832e03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c0e9d1ad9561d693958756ee8398218.png)
(1)求证:两函数的图像交于不同的两点A,B;
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b246aa3b56becc905d3fb64c6d5ec4a.png)
(3)求线段
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11ddc92d84d188c66b435664a7e7b5a4.png)
您最近一年使用:0次
2020-01-31更新
|
594次组卷
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2卷引用:上海市上海外国语大学附属外国语学校2017-2018学年高一上学期10月月考数学试题
6 . 设
,
,记
.
(1)若
,
,当
时,求
的最大值;
(2)
,
,且方程
有两个不相等实根m,n,求
的取值范围
(3)若
,
,且a,b,c是三角形的三边长,求出x的范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f212e63cafd79ee0a45b0bd5581b723.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c588460d8c485fe7824647a80b62afd2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cffa662f0273f0921c1fa4727f632395.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15275cbfd60544d2ed48626cd38836d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c8f4bcada6aa1a2bbbdadeca868aa95.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85ec7edc27fed74ec85f1e9c152b41a0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a813b5adbf5c7082561237894ba6d599.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a3c442579603164f3fc19458677d307.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05503cdd30e40ada3f94372cd0442066.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1019d4ad2e3fb4a7abb66e0e9e55b556.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b0c9503b1a3a503d7f5a23198b52a35.png)
您最近一年使用:0次
名校
7 . 设数列
的前
项和
,已知
,
.
(1)求证:数列
为等差数列,并求出其通项公式;
(2)设
,又
对一切
恒成立,求实数
的取值范围;
(3)已知
为正整数且
,数列
共有
项,设
,又
,求
的所有可能取值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b065334d8f60c49f4bd3d9f1373fe4cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e85955f51864a2ef4adf786e9d192af1.png)
(1)求证:数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/50a813139b92a24e1124ef96e3e485f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7368d871d7a543a82be0758f3ba904d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cea4ac187cbb465180e89f38250b3970.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(3)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c972cbd63decec197aec1bdc306de67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57ef6d44448092ebdb9e4a49d866a749.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b5631bc01b998a4b3fabd9e131699dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/effd163f8b1a235eb67227956e3652e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68f8740053b8bcc7c8b4a129436f52d7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
您最近一年使用:0次
2019-11-08更新
|
426次组卷
|
4卷引用:上海市嘉定二中2019-2020学年高二上学期10月月考数学试题
名校
解题方法
8 . 设二次函数
,其中a、b、
.
(1)若
,
,且关于x的不等式
的解集为
,求a的取值范围;
(2)若a、b、
,且
、
均为奇数,求证:方程
无整数根;
(3)若
,
,
,求证:方程
有两个大于1的根的充要条件是
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1bd0587f5d6a3b5db9e4a93e0dbc0ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0097ca400d4619a94c4282c1ef6ec68e.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9dc79fc7d6e7833101505a1c580c1cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e08bba080fe4336421f306a59aac6905.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/857ccd351aea0dad6e140c154fe3bbf4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
(2)若a、b、
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aec51bd5ed46b369b1d80e6c73562bea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f54b6a060d6c51a328341df76013bd89.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/74156327e5659301f391814605688899.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3047d4ab078dafc06c047bcbf0a6ffaf.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3bf354a45ece05ebea7ccd98319acfb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3096c0020644b137bfd65b4af9a24308.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3047d4ab078dafc06c047bcbf0a6ffaf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a75cc846e65dc041e856dc618583ccea.png)
您最近一年使用:0次
2020-10-14更新
|
1368次组卷
|
2卷引用:上海市格致中学2020-2021学年高一上学期10月月考数学试题
名校
解题方法
9 . 记不等式
的解集为A,关于x的不等式
的解集为B.
(1)求A;
(2)若
,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48c5b67026b4f30bf0a316594cb6e4e4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6309768e1687cd901a67f9bf100da0d6.png)
(1)求A;
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/caf22d7d1a965bda25168a233fb6290c.png)
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2020-06-25更新
|
349次组卷
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4卷引用:沪教版(上海) 高一第一学期 新高考辅导与训练 第2章 不等式 本章复习题
沪教版(上海) 高一第一学期 新高考辅导与训练 第2章 不等式 本章复习题(已下线)2.3+二次函数与一元二次方程、一元二次不等式-2020-2021高中数学新教材配套提升训练(人教A版必修第一册)江苏省南通市如皋市第一中学2020-2021学年高一上学期调研测试2数学试题(已下线)2.3 (分层练)二次函数与一元二次方程、不等式-2021-2022学年高中数学必修第一册课时解读与训练(人教A版2019)
10 . 关于x的不等式
的解集不是空集,则实数a的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d84550a27d12e20e6093898e86bc0165.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2020-08-08更新
|
38次组卷
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4卷引用:沪教版(上海) 高一第一学期 新高考辅导与训练 第2章 不等式 2.2 不等式的基本性质(2)
沪教版(上海) 高一第一学期 新高考辅导与训练 第2章 不等式 2.2 不等式的基本性质(2)考点20 不等式-2020年【衔接教材·暑假作业】新高三一轮复习数学(文)(人教版)(已下线)对点练04 不等式的性质、一元二次不等式-2020-2021年新高考高中数学一轮复习对点练江苏省宿迁市沭阳县某校2023-2024学年高一上学期第一次月考数学试题