1 .
中,
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84b82cb2cc7885b968078868c6fe46ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd936a2405709574af0a73543d94ad9c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0df84207b6a4455a0c588c67e34d0ca6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73b3e46d80315c80b96ba63518c1945c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84b82cb2cc7885b968078868c6fe46ee.png)
A.![]() | B.![]() |
C.![]() | D.![]() ![]() |
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2 . 已知直线
是函数
图象的一条对称轴, 则
取得最小值时
的集合为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f26718af84fe8d35608797711e21b2ba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e95d3a95423955916977d002665a1da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09b29a7faa14a6e09d0db2d04f4ced03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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3 . 已知
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f2261724beb3a55b3b99edf8529542c5.png)
_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c6794e953302b610c4aed49c17e0817.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f2261724beb3a55b3b99edf8529542c5.png)
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4 . 已知向量
的夹角为
,且
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d33ee1f52775bf9ba66e0fdf0ecbb35.png)
____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b172cf8d898883d82e973f28c3c3a3e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d88591679796c52024d11c4de641bdb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5588b114de3fc8a524cb1438733e9b5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8ae0d7b3266f32b6a916b6237b6b838.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d33ee1f52775bf9ba66e0fdf0ecbb35.png)
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5 . 若
,且
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a101d728309925392e30b7ac4d558b2.png)
![](https://img.xkw.com/dksih/QBM/2016/11/22/1573165365239808/1573165371301888/STEM/6b03dcb744894f99af3753b41d392cca.png)
![](https://img.xkw.com/dksih/QBM/2016/11/22/1573165365239808/1573165371301888/STEM/59dfb32a535540008290520c5193c81b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a101d728309925392e30b7ac4d558b2.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
6 . 已知向量
,
,
.
(1)求
在
上的增区间;
(2)当
时,
恒成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e363f0c4d6c66d1e01d9fc57724ede9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b53316bdccce145ef6332b27cf7908ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ef416a008ab6a41179b6012d91cbeea.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58633cdffbb485e0f28daf965e06fcbd.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d10d27b54d9c9db023338c1e5a7c9c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1cf32a0f54bfc5cf7cea4c0595cb445f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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7 . 若等边△
的边长为1,平面内一点
满足
,则
的值为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b1b3d6a70f088deaf4e52d5a4925b8c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0af379ae0830b65e4e15a4cc7a96fb90.png)
A.![]() |
B.![]() |
C.![]() |
D.![]() |
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8 . 已知函数
,则下列命题正确的是.(填上你认为正确的所有命题的序号)①函数
的最大值为2;
②函数
的图象关于点
对称;
③函数
的图象与函数
的图象关于
轴对称;
④若实数
使得,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35bacde908aec2c313978fc4309d82bc.png)
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3dfd88961b692edcc69fd9f1d3d83061.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
②函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b61b2bf2b99a44cb9bbd1bd672e43169.png)
③函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c597f5b98f13c1cdab6e0b7ceb71018d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
④若实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35bacde908aec2c313978fc4309d82bc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7500649a06834aba5a778d624ab56ad6.png)
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9 . 将函数
(
,
)图象上所有点的横坐标缩短为原来的一半,再向右平移
个单位长度得到函数
的图象,则
,
的值分别为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca704c30b3c6385720848956c257b9b1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f8b1052b2d548a9d8b584ecca5057bc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3562eb7bb835018345b4813523cb1c7e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65ecc1c16f2874ef4b7e0d6aed9db0b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2b9643da0c0fea4f099f9a9133d6076.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8542e50495795c98f7aa7501fe0690a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5cada4595e617c68c84c8081c2f70dcb.png)
A.![]() ![]() |
B.![]() |
C.![]() |
D.![]() |
您最近一年使用:0次
2016-12-05更新
|
426次组卷
|
2卷引用:2017届河南天一大联考高三理上段测二数学试卷
10 . 已知向量
,则![](https://img.xkw.com/dksih/QBM/2016/11/17/1573155798556672/1573155804061696/STEM/2e2a4d157c2f4f75a726148d1cd94119.png?resizew=61)
____________ .
![](https://img.xkw.com/dksih/QBM/2016/11/17/1573155798556672/1573155804061696/STEM/49f65a1c56a24df9aff84d10867bbb08.png?resizew=132)
![](https://img.xkw.com/dksih/QBM/2016/11/17/1573155798556672/1573155804061696/STEM/2e2a4d157c2f4f75a726148d1cd94119.png?resizew=61)
您最近一年使用:0次