名校
1 . 函数
与
的图象关于直线
对称,则
可能是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ad9d399395b1679a4666bc6138fd408.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c51c20d0cfa901f4c64b72242ec87943.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54b53b86bd516400d6fa7dabb3603f31.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2016-12-04更新
|
754次组卷
|
9卷引用:山西省运城市康杰中学2017-2018学年高一下学期期中考试数学试题
名校
2 . 已知函数
,若
的图像的任意一条对称轴与
轴的交点的横坐标都不属于区间
,则
的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84572877c9924ed5a36a2a2515c2f5a0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fbcafbbaa528da9c6f88783398ba5d87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074c228ffc7b1e306f8410afe7bc4b5c.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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解题方法
3 . 已知函数
和
的图象的对称轴完全相同.若
,则
的取值范围是________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b0272236b1946693e01823efcbb5228.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e928e705d5ba23d35930d2477e6992e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ce485410257c9c1fae9d87ce3e44cc8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
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4 . 设函数
的图像关于直线
对称,它的周期是
,则以下结论正确的个数( )
①
的图象过点
;②
的一个对称中心是
;
③
在
上是减函数;
④将
的图象向右平移
个单位得到函数
的图象
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b31c1dbd74f3677e01217b570c46f2e4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c23a3abb4cbfbf42adceecffb1521958.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86ebba6ed1add0fe647c0226614b9290.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11d655ee6d4c2285b6f59652360862d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a83571e1cbc31c560f83e5f1e6a4b9f.png)
③
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c7c353d4ef44f3f400aed8e47f35658.png)
④将
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d061d17bbc13e2d61a0c4aee0cb9ced3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d7a057740885e01a8e4b5448a626645.png)
A.4 | B.3 | C.2 | D.1 |
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