名校
1 . 设函数
,
图象的一条对称轴是直线
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/2/b914c44c-ac1f-463e-8c8d-9e86451189f2.png?resizew=247)
(1)求
;
(2)画出函数
在区间
上的图象.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/639d3986fac1a26ae1335205ae429f69.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e60b49815c5c25b48e6c74d7077851a.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/2/b914c44c-ac1f-463e-8c8d-9e86451189f2.png?resizew=247)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6581916f5a65edfea257c804efee007e.png)
(2)画出函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1613d377a07850c72cbec354b7a3000f.png)
您最近一年使用:0次
2016-12-04更新
|
350次组卷
|
5卷引用:2015-2016学年福建省上杭一中高一3月月考数学试卷
名校
2 . 已知函数y=sin(πx+φ)﹣2cos(πx+φ)(0<φ<π)的图象关于直线x=1对称,则sin2φ____ .
您最近一年使用:0次
2016-12-04更新
|
405次组卷
|
6卷引用:2015-2016学年福建省泉州市四校联考高一上学期期末数学试卷
名校
3 . 已知
满足
,且
,对于定义域内满足
的任意
,
,当
取最小值时,
的值为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e51623e7d212b199a8b77698d7e5e559.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/332c16477a48f62ef66eda7f0d13ed7a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86d78dec1c1e00ec02d7bdaf76ef8901.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8136f5ce7ee87baebc51c27a61381c79.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60d200a7afe1e011713e14886a6887e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33bd24e647a626899a243a3f3984f90a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc6abf3f9b0ebcdc47a028c781b7edb9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66f03f3c83a614776947e6ec32420be4.png)
A.![]() ![]() | B.![]() ![]() | C.![]() | D.![]() |
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4 . 已知关于
的方程
在区间
上有两个不相等的实数根
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1292d729b44dd285370df8b0d4ca4f83.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/50efeb385ca8170b865fd5c4b858a5d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a3cee5e50ee4f1dfbcf0ff0312fef1b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc14778010a33f90902ff17b1ec0ac73.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1292d729b44dd285370df8b0d4ca4f83.png)
您最近一年使用:0次
解题方法
5 . 下面五个命题中,其中正确的命题序号为____________ .
①函数
的最小正周期
;
②函数
的图像关于点
对称;
③函数
的图像关于直线
对称;
④在
内方程
有
个解;
⑤在
中,若
则
.
①函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8bdc3e50a4cf1543f49d089576f808b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9f6fe1dcaf07b9440b5991a721a3517.png)
②函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb1c946be9f30748f388a9e3c0a3c0f0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57dcc3b6830eee4a110f42fba9b9d715.png)
③函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/113083fbf1400914c80b7b679fa63f14.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f56a20bc5fce6b02217627b42249854.png)
④在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fbd3d34a506c95d0b9811ad01348cc3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b444aca8c3f352da41028849a17b692.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ca7d1107389675d32b56ec097464c14.png)
⑤在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca51be437b1a97ca92aa1159ab71102c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19dc38d888741a1b2e95fe0773a48c38.png)
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6 . 若
(
,
)对任意实数
都有
.记
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4d0b0b8fb4bff039edd11928ca6fb91.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/173e3ccc22383667e832f1656f2a40a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4456675a5dbe545462a22cef9aca8fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a61aaa4794ba51dc328aedbbc47c35c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/643f99a4f2ae53bab8e6a672ad04d3d4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67b0357f891dba8918a9c91242116f5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4d0b0b8fb4bff039edd11928ca6fb91.png)
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