下列函数中,最小正周期为
的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35e2d7c958e99bcd9d7f251c19ee3544.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
更新时间:2023-07-03 21:22:21
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【推荐1】设函数f(x)=2sin(
x+
).若对任意x∈R,都有f(x1)≤f(x)≤f(x2)成立,则|x1-x2|的最小值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1ad72d7565699d1ebb741eb0ce12bac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9611c18b637cb377e0e00449135601ae.png)
A.4 | B.2 | C.1 | D.![]() |
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解题方法
【推荐2】函数
(
,
)的部分图象如图所示,
的图象与
轴交于
点,与
轴交于
点,点
在
的图象上,点
、
关于点
对称,则下列说法中正确的是( )
![](https://img.xkw.com/dksih/QBM/2021/12/26/2880812239511552/2886591579586560/STEM/c4d988de-bce3-4599-88b7-833674fed144.png?resizew=310)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af5e2a383cb47eb87493e86c8c40caf0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4456675a5dbe545462a22cef9aca8fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa6af3e2115ce0aaf5b99ac70c4441d1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://img.xkw.com/dksih/QBM/2021/12/26/2880812239511552/2886591579586560/STEM/c4d988de-bce3-4599-88b7-833674fed144.png?resizew=310)
A.函数![]() ![]() |
B.函数![]() ![]() |
C.函数![]() ![]() |
D.函数![]() ![]() ![]() ![]() |
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【推荐1】“
”是“函数
的最小正周期为
”的.
![](https://img.xkw.com/dksih/QBM/2014/4/29/1571694216151040/1571694221729792/STEM/eee13d35174f4675947cb57f4b56b9ee.png)
![](https://img.xkw.com/dksih/QBM/2014/4/29/1571694216151040/1571694221729792/STEM/60b4d335eaae477a9f4306f8fde9d015.png)
![](https://img.xkw.com/dksih/QBM/2014/4/29/1571694216151040/1571694221729792/STEM/106677c2a9c9403dbfbff9793fe8a5ae.png)
A.充分必要条件 | B.充分不必要条件 |
C.必要不充分条件 | D.既不充分又必要条件 |
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【推荐2】已知函数
,则
是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6aded2ecd9500feecbe04bc6a7b634f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73088b1701b01c07048d9ac8ae021095.png)
A.最小正周期为![]() | B.最小正周期为![]() |
C.最小正周期为![]() | D.最小正周期为![]() |
您最近一年使用:0次