名校
1 . 已知向量
,
,函数
,则下列结论正确的为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ba119e4b1c326f4c72174ecf8aa686b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2dbb94ac9c7e2f417981c7536a6809f1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d43853123b96f35efa854157cc7df2d6.png)
A.![]() | B.![]() ![]() |
C.![]() ![]() | D.![]() ![]() |
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2021-07-15更新
|
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2卷引用:湖北省华中师范大学第一附属中学2020-2021学年高一下学期期中数学试题
2 . 将函数
的图象向右平移
个单位,得到函数
的图象,若
为偶函数,则下列结论:(1)
的图象的一条对称轴为
;(2)
的图象的一个对称中心为
;(3)
在区间
上单调递增,正确的个数是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/928e627a85c82a623ad0dbaec3717df4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c67d01e61dc0042e67b5e8ec8e727c22.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/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f56a20bc5fce6b02217627b42249854.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71ebb7b00c8246c9a938bdbf40b4e7fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95a2691d6c11316950432599c204c9a0.png)
A.0 | B.1 | C.2 | D.3 |
您最近一年使用:0次
3 . 已知函数
.
(1)求函数
的最小正周期;
(2)若
的最小值为0,求常数
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/038fccecf5a003cc9d44d003657a546a.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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4 . 下列函数中,有对称中心或对称轴的有( )
①
,②
, ③
, ④![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bbf2928b8abccc5c6cfb5d6511c22168.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/771c73025b520d366865c0f6c1e7a15a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3409091dcab19aed554aeaecb5e454b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d39da1f6819e6a6dab6782b420a9ad7c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bbf2928b8abccc5c6cfb5d6511c22168.png)
A.3个 | B.2个 | C.1个 | D.0个 |
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5 . 已知函数
(其中a为常数).
(1)求
的单调递增区间;
(2)若
,时,
的最小值为4,求a的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea945505eec730c73350d873a6da5f18.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ce485410257c9c1fae9d87ce3e44cc8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
您最近一年使用:0次
2021-07-10更新
|
410次组卷
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3卷引用:湖北省2020-2021学年高一下学期5月联考数学试题
解题方法
6 . 已知函数
的部分图象与y轴交于点
,与x轴的一个交点为
,如图所示则下列说法正确的是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/5/7809f5cf-a4b2-4903-8258-bb5b804659ad.png?resizew=144)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7780cef69e35b06e05bf4e62abb46df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f56c293f834c993b5732c36359431eb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53a948d2f7732d7f03e986c63712089b.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/5/7809f5cf-a4b2-4903-8258-bb5b804659ad.png?resizew=144)
A.![]() |
B.![]() ![]() |
C.将![]() ![]() |
D.![]() ![]() |
您最近一年使用:0次
2021-07-10更新
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368次组卷
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2卷引用:湖北省2020-2021学年高一下学期5月联考数学试题
7 . 已知函数
,点
是直线
与函数
的图象自左至右的某三个的相邻交点,且
.将
的图象向左平移
个单位,得到的函数关于原点对称.
(1)求函数
的解析式;
(2)若对
,以
的值为边长可以构成一个锐角三角形 ,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59b89bb1c46605f7c2e765228c6991d6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38335830b93ac4d99c28a8e209eecb3f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a897944a5fd06e303fedf4eeef0de29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d60358a6f0b9e4abc29322e48208f94.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c487fec20bd809e0baf5cb39afe8979.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)若对
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6048a5df6bb1540b6e717819705e7c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/221440e6f39704a36b8641ea76dd61d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
您最近一年使用:0次
8 . 已知函数
满足:①
的图象关于点
对称;②
的图象关于直线
对称;③方程
在
上至多有2个实数根,则
的值可以是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71e94b66bb92b07e6069b241ddecc9cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ac249914073fd29af300b9a073e277b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e60b49815c5c25b48e6c74d7077851a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86b92b70365c63607daecdc8deb73ecf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/867f6c8a60f0fad554f0673539e3a937.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074c228ffc7b1e306f8410afe7bc4b5c.png)
A.2 | B.8 | C.10 | D.18 |
您最近一年使用:0次
9 . 已知向量
,
,
.
(1)当
时,求
的值域;
(2)是否同时存在实数
和正整数
,使得函数
在
上恰有2021个零点?若存在,请求出所有符合条件的
和
的值;若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6658f9b2978d766ee4c7bb891a05b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e79d3a1e90e7e7751a5fec289936a0fc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dae9f908aabcd9d9c46a0ecdfd1d6c12.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97aced15078664dc18a00daca983ba50.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)是否同时存在实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0384a0466920e5bf00231a5c5bf77969.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5dd9f29222a5f07aad8fd7d0612a0201.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
您最近一年使用:0次
2021-07-10更新
|
214次组卷
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3卷引用:湖北省鄂西北六校2020-2021学年高一下学期期中联考数学试题
名校
解题方法
10 . 设
,若存在实数
满足
,且
,则
的范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/def030c4e7ba97958f1be07966860608.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8ccd22fd0ca1a8e1468329284f91b6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3604274ad6707a906eba371a9e884144.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2714f1eb0e74a1a31fa2c35275d368e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6500c1bbd7b25a3d3b096ce9b2236a28.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2021-07-10更新
|
580次组卷
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3卷引用:湖北省新高考9+N联盟2020-2021学年高一下学期期中联考数学试题