已知
是常数,若函数
图像的一条对称轴是直线
.则
的值不可能在区间( )中.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074c228ffc7b1e306f8410afe7bc4b5c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1904c0839569c782f943649ca46c4415.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b87a2a38506204a9f34596d5c171eae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074c228ffc7b1e306f8410afe7bc4b5c.png)
A.![]() | B.![]() | C.![]() | D.![]() |
23-24高三上·上海虹口·期中 查看更多[2]
更新时间:2023-11-10 16:35:44
|
【知识点】 利用正弦函数的对称性求参数解读
相似题推荐
单选题
|
适中
(0.65)
【推荐1】记函数
的最小正周期为
.若
,且
的图象的一条对称轴为
,关于该函数有下列四个说法:
①
;
②
;
③
在
上单调递增;
④为了得到
的图象,只要把
的图象上所有点的纵坐标不变,横坐标伸长为原来的2倍,再向左平移
个单位长度.
以上四个说法中,正确的个数为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad362df6694f6f419aa2d60199a7c466.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49bc8284c965a718ae078718d7cb67ec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08d2686a0814cec46692888cfad8213f.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83f95e85ce6707ff4161cc675665c557.png)
②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fc209ca7043fe2c21b1576a676a29b6.png)
③
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4485a008f301d52e177f2a5b7547dcb8.png)
④为了得到
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/daa5367566cb6f83b7c378ea35e12552.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c8ae071199874d9d74a4919a58902f7.png)
以上四个说法中,正确的个数为( )
A.1 | B.2 | C.3 | D.4 |
您最近一年使用:0次
单选题
|
适中
(0.65)
名校
解题方法
【推荐2】函数
的部分图象如图所示,已知
,且
,则
( )
![](https://img.xkw.com/dksih/QBM/2023/10/20/3350061539819520/3352591011446784/STEM/9d41a68fe28c44a686902aa0577cf60c.png?resizew=151)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f2d0b3efb7f910152078ef128ef92d0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/414c726b5d87bac4b9d808063597af3c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35ff381537216b0bb007bfaeb56eef5b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cbd78b7cb1f5cfdd36c44f7e1b86b72b.png)
![](https://img.xkw.com/dksih/QBM/2023/10/20/3350061539819520/3352591011446784/STEM/9d41a68fe28c44a686902aa0577cf60c.png?resizew=151)
A.![]() | B.1 | 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
的图象关于
中心对称﹐现将曲线
的纵坐标不变横坐标缩短为原来的
,再向左平移
个单位.得到曲线
.则关于函数
给出下列结论:
①若
.且
,则
;
②存在
.使得
的图象向左平移
个单位长度后得到的图象关于y轴对称;
③若
在
上恰有
个零点﹐则
的取值范围为![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e78af166fe373b2147272f676632a06.png)
④若
在
上单调递增,则
的取值范围为![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36477276a8a50693314b58272d36ff8f.png)
其中.所有正确结论的编号是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95ce9ca520aaed10f2dfdbfd4399b68b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb3453b546958b45a73817a1b128fd3c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09b29a7faa14a6e09d0db2d04f4ced03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c67d01e61dc0042e67b5e8ec8e727c22.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dc6e69ad1a27916fb5c3d5901ded134.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53bf247644c4c57976e9cada01884506.png)
①若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a42fde3528201f7ff184d437546b762.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/141d1c765c3aff18cca320770e392ee4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5dcee772e6187ac31d7f8d69b0487000.png)
②存在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bc0c402b3de1fcf04cab55e21ef44e2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/74314814cdc6fb803abb4692458af131.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c67d01e61dc0042e67b5e8ec8e727c22.png)
③若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/74314814cdc6fb803abb4692458af131.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/931db1234c7327aa072f8e96360c96e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b06e95b57b7a81cd81d05557a11fa92.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074c228ffc7b1e306f8410afe7bc4b5c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e78af166fe373b2147272f676632a06.png)
④若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/74314814cdc6fb803abb4692458af131.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c00fa028c70fda32acfc4fa94492b54e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074c228ffc7b1e306f8410afe7bc4b5c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36477276a8a50693314b58272d36ff8f.png)
其中.所有正确结论的编号是( )
A.①② | B.②③ | C.①③ | D.②④ |
您最近一年使用:0次