名校
1 . 正数
,
满足
,若不等式
对任意实数
,
恒成立,则实数
的取值范围为__________ .
![](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/39d3ff37c821e1992ceb0cf08fb5214d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa0685fec5a05a047ac28bb010e99948.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23dac8e7293c567a176acd6b9f8773ce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45340678c2ec1bc8cd68c0a3a2ab8902.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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2 . 已知数列
为等差数列,函数
,
,
,若
,则数列
的前21项和为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dc71a2fd8c6b263feea5ff5d6a36121.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c095966aee65b645459533699abce6b1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c5915b689181ea39bcf4529974da2dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17836cf8e0fc47af8f6cb7712d31f16d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83f24de1d2c7a98d6a793c780f68841e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57ef6d44448092ebdb9e4a49d866a749.png)
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3 . 已知函数
为奇函数,当
时,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f71599cd707909eb30d2a54be7f8c966.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6e2e79843faf62dde86bf858d1e0569.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8cae7dc03a86c805d3160612ead322ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f71599cd707909eb30d2a54be7f8c966.png)
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2023-01-08更新
|
205次组卷
|
2卷引用:天津市汇文中学2023-2024学年高三上学期10月月考数学试题
名校
解题方法
4 . 已知
,x为实数且满足
,则
的最大值为___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7f536c9ef7b38b21d03395272b6000b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d1d9216dd3cd659ff50bbdb03a9447b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
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2022-12-15更新
|
917次组卷
|
2卷引用:天津市静海区第一中学2022-2023学年高三上学期12月月考数学试题
名校
5 . 已知函数
满足:
,当
时,
;当
时,
,若关于
的方程
在区间
上恰有三个不同的实数解,则实数
的取值范围是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d079b5d28db25b6069469a6a72c434d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/790daaa89fc9d093f45023becf765697.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0acb74208dcbe73fd8cbd89bf86bd69c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24a57996290794e082b21d8f1dfc322a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fe1cc0e16b48b515725a589439be604.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc37bc63773c7475426680c3bbcd650d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd52ef062e1934be348f2309946b1f3f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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6 . 已知
,且
,若
恒成立,则
的最大值为__________ ,实数
的取值范围为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2a9344f4fca7b9779ca7720e5277ea6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60a7a0d98f3c4a14c2227ea02da0c5af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5ee96cbaedc4b1836cc80f90628a2bd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f29d5f376c75c41ae6af0c8a8565449.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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名校
解题方法
7 . 记![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d17f95748e120a8048a0a01c8182ec15.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc5850594a09755770a8225da182bd52.png)
,若
有三个不等实根
,若
,则实数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d17f95748e120a8048a0a01c8182ec15.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc5850594a09755770a8225da182bd52.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef2ca0936339711b0173fc4620623621.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf6902c9f2a26385b1daadd855fc1436.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1310a7a80d1f8751a3f8cafe7f8c8b4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f1037287a6d8a9a7766734077faa87b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
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2022-11-23更新
|
528次组卷
|
2卷引用:天津市耀华中学2022-2023学年高三上学期第二次月考数学试题
名校
8 . 已知函数
,若方程
有四个不同的解
,且
,则
的取值范围是___________ ,
的最大值是___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/669d15cf8949cf064d1919f3a9dceb55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/338316b0fe50fdea0f2f75aec4c990dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8ccd22fd0ca1a8e1468329284f91b6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3604274ad6707a906eba371a9e884144.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33faabd736842946c8faa653cc13df8f.png)
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2022-11-22更新
|
1138次组卷
|
7卷引用:天津市第一中学2022-2023学年高三上学期第二次月考数学试题
天津市第一中学2022-2023学年高三上学期第二次月考数学试题(已下线)信息必刷卷04(天津专用)重庆市杨家坪中学2023-2024学年高一上学期12月月考数学试题(已下线)专题03 函数与方程的综合应用问题-2022-2023学年高一数学新教材同步配套教学讲义(苏教版2019必修第一册)辽宁省抚顺市第一中学2022-2023学年高一上学期期末数学试题辽宁省大连市一0三中学2023-2024学年高一上学期期中考试数学试题重庆市江北区巴川量子学校2023-2024学年高一上学期期末数学试题
名校
解题方法
9 . 设定义在R上的函数
满足
,且当
时,
.若对任意
,不等式
恒成立,则实数
的最小值是___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f62a626661bb495afbd784a3d345d387.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b28756a5331680dd6bd6ab0927ccb3bd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d124f42b924544b7534380d3e459b13c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1fbc879b463795e517cb3bb11bdfdaad.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f481e5b4b82a533b16abe83f9b85eb4e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
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2022-10-29更新
|
802次组卷
|
4卷引用:天津市滨海新区塘沽第一中学2022-2023学年高三上学期第一次月考(线下)数学试题
10 . 已知函数
,
在
上有3个不同的零点,则实数
的取值范围是________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61ac29c1439295032fe62a45a11cc530.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a464cd8d6e9d88ac9a6030fc79aeb294.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93f1b4e037116928fd60f5892a211819.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15befbdad977723a86194979c675ee5d.png)
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