函数
的图象向右移动
个单位后关于y轴对称,则
的值不可能为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84e56521d9e49b030cf075c27bfc0a09.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d88591679796c52024d11c4de641bdb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074c228ffc7b1e306f8410afe7bc4b5c.png)
A.![]() | B.![]() | C.![]() | D.![]() |
更新时间:2020-02-12 23:14:32
|
相似题推荐
单选题
|
适中
(0.65)
名校
解题方法
【推荐1】将函数
图象上的所有点的横坐标缩短为原来的
(纵坐标不变),然后再将其图象向左平移
单位得到图象
,若函数
图象关于y轴对称,则
的最小值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9dea238d0e42405b1fd31c554911d9e4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be5ea79d75512a14d0b4d678b5880a16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
单选题
|
适中
(0.65)
【推荐2】已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ac3f8940035ec0e4c860947e7d23d81.png)
,函数
图象的一个对称中心为
,现将
图象上各点的横坐标缩小到原来的
(纵坐标不变),纵坐标伸长到原来的2倍(横坐标不变),得到函数
的图象,当
时,函数
的值域为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ac3f8940035ec0e4c860947e7d23d81.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a8f8ffca025d47e63ada07f19bf75d1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95228c66257fdb082fbc371d06c1c6e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4dac452fbb5ef6dd653e7fbbef639484.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1938c093dd2fbcb752d0eb7a18d143b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1575afc854cf38b23db8f47e4163344.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
单选题
|
适中
(0.65)
【推荐1】若函数
的最小正周期为
,且其图象向左平移
个单位后所得图象对应的函数
为偶函数,则
的图象( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25929377addc30d400ec334b68a2865d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9387d003df380aad2bee372f8d8b0a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/037fb348109dc2063a268b10eb925a57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
A.关于直线![]() | B.关于点![]() |
C.关于直线![]() | D.关于点![]() |
您最近一年使用:0次
单选题
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适中
(0.65)
【推荐2】已知
是函数
(
)的两个零点,且
的最小值为
,将函数
的图象向左平移
个单位长度后,得到的函数图象的对称轴方程为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ce7ae90d808f05e86ea063238e4b2f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/526e649711d44e9851acef9172d42fba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4456675a5dbe545462a22cef9aca8fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc6abf3f9b0ebcdc47a028c781b7edb9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d88591679796c52024d11c4de641bdb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1ad72d7565699d1ebb741eb0ce12bac.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
单选题
|
适中
(0.65)
【推荐3】已知函数
,将
的图像向左平移
个单位长度后所得的函数图像过点
,则函数
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6dfe03636a8837483cd22039ad3ff2d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac1a63ab608517bb10aa036783dfb51f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2602a2ac669141508b3758528cbfe36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83b207e1cf4e90a74419ab1dbbda65ae.png)
A.在区间![]() | B.在区间![]() |
C.在区间![]() | D.在区间![]() |
您最近一年使用:0次