1 . 已知向量
,若函数
的最小正周期为
.
(1)求
的解析式;
(2)若关于
的方程
在
有实数解,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/929b9c8a77f00c85d276d34903c8aab4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/761cd74c560bac80754753ad66687f1d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86ebba6ed1add0fe647c0226614b9290.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ff8daef26182f44d1645a1066db7bff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7faee6c7c8bd4625d8f01c29b1a44cdc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2020-05-15更新
|
834次组卷
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2卷引用:四川省遂宁市射洪县射洪中学校2019-2020学年高一下学期第一次学月考试数学试题
名校
2 . 函数
,若函数
的图象与
轴的两个相邻交点间的距离为
,且图象的一条对称轴是直线
.
(1)求函数
的解析式;
(2)设集合
, 若
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51ed2a6cb95232913278134c59123610.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d49f8a63ddbca52039fa9ab44cda6b29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7de633b2c143b9f76b29cde1c6ffce71.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)设集合
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/caca77aac2c070a84efd6f9a5b455f47.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2ad78dc8b8aed907b4fe9640c997454.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
2020-01-04更新
|
437次组卷
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3卷引用:四川省遂宁市2019-2020学年高一上学期期末数学试题
名校
3 . 函数
,下列四个命题
①
是以
为周期的函数 ②
的图象关于直线
对称
③当且仅当
,
取得最小值-1
④当且仅当
时,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f6e4495a2e67e525eb8b8b56cb55948.png)
正确的是________________ .(填正确序号)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58f259c651ddc938caa559ac6ebb18c0.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d479a86a1711709b2d100fe4daf3e7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed2d1ecae9c649cc3c89f9ce0c063208.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d479a86a1711709b2d100fe4daf3e7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/299b44ab01a3aaf12ba3f4b82e07f8d8.png)
③当且仅当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8afd4d022e74cd203119eaed2ab16e29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d479a86a1711709b2d100fe4daf3e7cf.png)
④当且仅当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4fa9dc716a4cff6a24b52e8632d0d81.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f6e4495a2e67e525eb8b8b56cb55948.png)
正确的是
您最近一年使用:0次
2018-12-11更新
|
405次组卷
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4卷引用:四川省遂宁市射洪中学2018-2019学年高一上学期期末(英才班)数学(文)试题