名校
1 . 将函数
和直线
的所有交点从左到右依次记为
,
,
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3cfeacc29e6a61c5b3b4e439c0a91df.png)
,若
点坐标为
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5233bf3ad85bad8caf7d14d43279344c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/366a83a98f6b67b13f94942b0d45318e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4006cb607c3244dc446595067696510.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a18722354086c42e62334983fc50eb6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd3b9e816b14051f785aa5aae72b8eed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04b56e44e4f0424a2b7a45567120a2e4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3cfeacc29e6a61c5b3b4e439c0a91df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37e5531913e2f170465d8df01795cd51.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/afa482d7bcaa385bfc3548b42a4bfb60.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5233bf3ad85bad8caf7d14d43279344c.png)
A.![]() | B.![]() | C.![]() | D.0 |
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2020-05-31更新
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4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
解题方法
2 . 若
是三角形的最小内角,则函数
的最小值是
![](https://img.xkw.com/dksih/QBM/2016/6/2/1572689736056832/1572689742012416/STEM/b97f619e87454b9c88e8b1324a04e173.png)
![](https://img.xkw.com/dksih/QBM/2016/6/2/1572689736056832/1572689742012416/STEM/a44d4836d4a6493eb2cbe3938e5d4c83.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2016-12-04更新
|
5018次组卷
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2卷引用:2015-2016学年江西省抚州市高一上学期期末质量检测数学试卷
名校
3 . 已知
满足
,则
的取值范围为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2e647c14561826ba9e396acc5a3792c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc603fea876cbf85b1efcb5bab0d500f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/50fad07aebf377aa5140bfeacc11b9f6.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2017-09-04更新
|
1730次组卷
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2卷引用:江西省抚州市金溪一中等七校2016-2017学年高二下学期期末考试数学(理)试题(B卷)
名校
4 . 设曲线
上任一点
处的切线斜率为
,则函数
的部分图象可以为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f85677dfe5f4d5b372fde9e6130b5739.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0203b006524305c3d8ee0b6c34cd872b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76c1dafa4e74d23505cca3e6d52845c9.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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2017-04-05更新
|
1662次组卷
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8卷引用:【全国百强校】江西省临川第一中学2019届高三10月月考数学(理)试题
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5 . 在边长为
的正三角形
中,
,
,
且
,则
的最小值等于__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a033dd4e01c1171ac0018f735d8530fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4c211987840d15334cc1bf7367dc2a0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/220e57b2519b63e6812c986d8ddbe76a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d8348995aff607dd54002f57ab37f08.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52a76b1d9cd7bf58ad0115f483e5336e.png)
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2018-05-05更新
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1238次组卷
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2卷引用:江西省抚州市临川区第一中学2017-2018学年高一下学期期中考试数学试题
名校
6 . 已知
中,角
,
,
所对的边分别为
,
,
,若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48e156a028d46748a809651050ec6403.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.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/c5db41a1f31d6baee7c69990811edb9f.png)
![](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/071a7e733d466949ac935b4b8ee8d183.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f26d78045c36f7342a00d992c773c31.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48e156a028d46748a809651050ec6403.png)
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2018-01-16更新
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3卷引用:江西省抚州市临川区第一中学2018届高三上学期教学质量检测(二)数学(文)试题
名校
7 . 已知当
时,函数
(
且
)取得最小值,则
时,
的值为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19099ff9ce1b01be72e4535e600aeb63.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fda924aa9015d99c7f159c087bbfd86.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1e69392d21261afd8e5e5f096634669.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d33da711e50e96568facb18cef27165.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/330b9ca64083e6425a6190b0a3a7e1e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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2019-07-25更新
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2卷引用:江西省抚州市乐安县第二中学2022-2023学年高一下学期期中数学试题