1 . 若函数
有
个零点,则正数
的取值范围是____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6944834eab309975c67bb655e3ba4df6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8860d9787671b53b1ab68b3d526f5ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074c228ffc7b1e306f8410afe7bc4b5c.png)
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解题方法
2 . 已知
为第一象限角,
为第二象限角,且
,
,则
的值为____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e9eb14cda08256a38003a2f368a2f22.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/717d7f48e2a1fb6687bd6ea84d249915.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7fee7e2969987222954a10a03d200c03.png)
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3 . 已知函数
在R上是增函数,则实数
的取值范围为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09b6e1809af87f86fd597caa60c643e2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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解题方法
4 . 在
中,
,
,点D为
的中点,点E为
的中点,若
,则
的最大值为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5b8b98b2f83279a49e94d9f48c5e6f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa7aeb2a8d1437eeb4482c3b6ad9f315.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e27c21a8c8f5987d350cbab0d56d9bbc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59809f2fa9ce4c833cdf5fe102feb8d8.png)
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5 . 已知
的内角
的对边分别为
,下列结论错误的是_________________ .
①若
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/432d77fe5ad3032d59a237dd94c8a638.png)
②若
,则符合条件的三角形有2个
③若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f22fec5a381ae8aca93d876e54c79de.png)
④若
的面积
,则
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24e0c10fb103930eabd5fa18e8f9bb06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76f0649064a085fb74c997fb507a9b6d.png)
①若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b610c855735a35d4168ac6a0f72ef904.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/432d77fe5ad3032d59a237dd94c8a638.png)
②若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5af880e80cece02c120a5676324a60b.png)
③若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19ea8057b232457f40ea03d7f3e125a9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f22fec5a381ae8aca93d876e54c79de.png)
④若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/115046b30d880f5d8b05e29ab7406697.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e899c486dc49e560fc4aca05e16835b7.png)
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名校
6 . 若函数,函数
在区间
内有零点,则实数
的取值范围为
您最近一年使用:0次
2024-03-19更新
|
564次组卷
|
2卷引用:内蒙古自治区鄂尔多斯市达拉特旗第一中学2023-2024学年高一下学期开学考试数学试题
2024高三·全国·专题练习
解题方法
7 . 在
中,三个内角
所对的边分别为
,
,
,则
的取值范围为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38335830b93ac4d99c28a8e209eecb3f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7f5573b30734d65648f61c0a94c98de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7fa79a550591eb9e1bd07bced3a08fc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/819c7a62f0c3f64f53370d19db912c13.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/980ab4deb9e7f2bc9288787f5243a4d2.png)
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解题方法
8 . 若函数
(
且
)满足
,则不等式
的解集为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9928c5de6512255577df70857b20124a.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/20ed85d47b4f488a9b5e211938cc5424.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d752d8db8a05b3ec7312f6ac8b64a07.png)
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解题方法
9 . 若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fbf156c043062ba2ff6d82b9c058bbbd.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24cbdc41274862795e376c8487a7b6d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fbf156c043062ba2ff6d82b9c058bbbd.png)
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2024-02-20更新
|
988次组卷
|
5卷引用:内蒙古自治区兴安盟乌兰浩特第一中学2023-2024学年高一下学期第一次月考数学试题
解题方法
10 . 已知定义在
上的函数
在
上单调递增,若函数
为偶函数,且
,则不等式
的解集为_____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a43b2faa4f81f32d94612dce724e772b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c36c3781d5caf82f3749cd503d23ad6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d7661d3fc28f785b438ad8c8f9d240a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fceb969de98e32f56f9610c213823489.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39620429c511534bfaa25ead63cd308d.png)
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