名校
1 . 已知函数
,给出下列四个说法:
①
;②
;
③
在区间
上单调递增;④
的图象关于点
中心对称.
其中正确说法的序号是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71988f45572e197f49c98c8d7e1c7a3e.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/50222ca91ac1585fa0185a9c37d55b2e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f4ea7f2b7acab159296d522d3d81da0.png)
③
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4814cc69393408433ac56a06c8e86855.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09fee0e4f79e30bbff8e4be338f6adec.png)
其中正确说法的序号是( )
A.②③ | B.①③ | C.①④ | D.①③④ |
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名校
2 . 把函数
的图象沿
轴向左平移
个单位,纵坐标伸长到原来的2倍(横坐标不变)后得到函数
的图象,对于函数
有以下四个判断:①该函数的解析式为
;②该函数图象关于点
对称;③该函数在
上是增函数;④函数
在
上的最小值为
,则
.其中,正确判断的序号是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcf36e9bbe4dc23bb02d452d38afb9d4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c67d01e61dc0042e67b5e8ec8e727c22.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c39673b0bab8908219e6eb4326d19a6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eaa0082eaec44556e43a4a987c8e01e2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90600511a3738615743e3bf11b3fad17.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3f0be268c091289f25b2d4cb9f8f789.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18c9aeed3c8c5a04e48d011c607f9142.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7ffe8515ff6183c1c7775dc6f94bdb8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7fa79a550591eb9e1bd07bced3a08fc.png)
A.①② | B.②③ | C.①②③ | D.①②④ |
您最近一年使用:0次
2020-06-19更新
|
901次组卷
|
3卷引用:安徽省六安市第一中学2020届高三下学期高考适应性考试数学(理)试题