若函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58348d8695f3c15636133db28b23a179.png)
在区间
上是减函数,且
,
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58348d8695f3c15636133db28b23a179.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58ddbb5cfaedab59c97125105c3fe590.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4776c85b79df196f606d3ebf3697fbc3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bbda8d24ba7efec06837fc39824d7e1b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46e9e9b9fe43fbe99d3c538af278308a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ac999b94a4acd9ccdfba08373ebde9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9448bf1d6136b3a108e7ea60506ad39.png)
A.![]() | B.![]() | C.1 | D.2 |
更新时间:2024-06-08 12:12:25
|
【知识点】 由正(余)弦函数的性质确定图象(解析式)解读
相似题推荐
单选题
|
适中
(0.65)
名校
【推荐1】已知函数
的图象关于原点对称,且
的最小正周期为
,将
的图象上所有点的横坐标伸长到原来的3倍(纵坐标不变),所得图象对应的函数为
.若
,则
()
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6812fa3385e20dff451407b6138d4fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86ebba6ed1add0fe647c0226614b9290.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ffe5853a3e36e55ccf04a974c6df2811.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7ae8dd44057ea3b7c79536f070d4ea1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5fb5c535ff7e5a76923c30ec58bbc812.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f371eae46ba0aa75c89f5f0cc88af75.png)
A.-2 | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
单选题
|
适中
(0.65)
名校
【推荐2】已知函数
(
为常数,
,
)在
处取得最大值,则函数
是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68b7664b1581526c35f3cdbf33d97397.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d935d6d93697b2692c01aaa285c705b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20849c00c47cbdc43f18d53341b6c4e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24a57996290794e082b21d8f1dfc322a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6461468072bd27afd53fd5f9c3bf344.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0083a741781f5dae2ed232a5cda3c151.png)
A.奇函数且它的图象关于点![]() | B.偶函数且它的图象关于点![]() |
C.奇函数且它的图象关于点![]() ![]() | D.偶函数且它的图象关于点![]() |
您最近一年使用:0次