1 . 函数
的图象与x轴正半轴两交点之间的最小距离为
,若要将函数
的图象向左平移
个单位得到
的图象,则
的单调递增区间为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17fe2793dfcc8873ae855f782df959c0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d49f8a63ddbca52039fa9ab44cda6b29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5644798c842d318e89fd259145474dc9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5aeb076bad84890e24dbdc945ad543cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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2 . 函数
的部分图象如图所示,则关于函数
的下列说法正确的是__________ .
![](https://img.xkw.com/dksih/QBM/2018/7/3/1980681873055744/1982153605750784/STEM/1f2cdfee-655e-4f16-9d3f-15d09fafe9c7.png?resizew=238)
(1)图象关于点
中心对称;
(2)图象关于直线
对称;
(3)图象可由
的图象向右平移
个单位长度得到;
(4)在区间
上单调递减.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5715a67dea4fd056a8f2ae6d91a1fa1a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be3213563044f18ade8dffeb6f58772f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/996bd9fd704cdc8b677efe0858af4068.png)
![](https://img.xkw.com/dksih/QBM/2018/7/3/1980681873055744/1982153605750784/STEM/1f2cdfee-655e-4f16-9d3f-15d09fafe9c7.png?resizew=238)
(1)图象关于点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e46e0c42b59b764794fdf2f931ae1adf.png)
(2)图象关于直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/487e4c1900ac3f10118a1350137e7b47.png)
(3)图象可由
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33acf9abecf955a88f8548e719872737.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0bf9e42f4ba6772a859da00df960714.png)
(4)在区间
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/867f37bd0c5c789cbb0bdc635980dcfb.png)
您最近一年使用:0次