名校
解题方法
1 . 已知
,关于该函数有下面两种说法,
①当
时,
的取值范围为![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82443820d05fb94887d41bc09f02b0e6.png)
②
的图象可由
的图象向右平移
个单位长度得到.
下列判断正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8077229346193d3fb9624d83279c0f19.png)
①当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd65d7c5e979706d391163aee2c18cb2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82443820d05fb94887d41bc09f02b0e6.png)
②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b62b85cdd3b13f944370d51a45585a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5e24f048f9a87274863ba2c037d7a5c.png)
下列判断正确的是( )
A.①正确,②正确 | B.①正确,②错误; |
C.①错误,②正确 | D.①错误,②错误; |
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