1 . 已知函数
.
(1)求
的最小正周期和在
上的单调递减区间;
(2)若
为第四象限角,且
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef426c088393d07d89138a55f3a7e482.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c195698ac387fe53b3b1e0248a1fcc92.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25f8783429be686df75afcd56e847dfa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be8676d6b539ad174aea0271715f4577.png)
您最近一年使用:0次
13-14高一下·甘肃武威·阶段练习
2 . 已知函数
,
.
(1)求函数
的最小正周期和单调递减区间;
(2)已知
中的三个内角
所对的边分别为
,若锐角
满足
,且
,
,求
的面积.
![](https://img.xkw.com/dksih/QBM/2014/7/23/1571823623938048/1571823629869056/STEM/7f307410597d4447b6c85443e5fa6d03.png)
![](https://img.xkw.com/dksih/QBM/2014/7/23/1571823623938048/1571823629869056/STEM/d6a44b32702643d1858622ef7561c1bb.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a4695b15aa34288cb19df1816d0e30b.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd936a2405709574af0a73543d94ad9c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24e0c10fb103930eabd5fa18e8f9bb06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76f0649064a085fb74c997fb507a9b6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fad299170666d6acebb3156f7e9b8dfa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f34365e5040ce6944115c8da61bf110.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e11f594b16174b616c42abd2f78a2787.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd936a2405709574af0a73543d94ad9c.png)
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2012·河南焦作·一模
3 . 在公比为
的等比数列
中,
与
的等差中项是
.
![](https://img.xkw.com/dksih/QBM/2013/5/31/1571236561756160/1571236567171072/STEM/bf6d39d117af47bd859903b778cf5097.png)
(Ⅰ)求
的值;
(Ⅱ)若函数
,
,的一部分图像如图所示,
,
为图像上的两点,设
,其中
与坐标原点
重合,
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4be2164a2c67d6163faee87a10942bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e88093a749c0d46e0ee931ecfaff925.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/daf464629fa321a6ff7401ab79f07083.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ffa37aefb6d45efe4e20ba48c2e7dfa8.png)
![](https://img.xkw.com/dksih/QBM/2013/5/31/1571236561756160/1571236567171072/STEM/bf6d39d117af47bd859903b778cf5097.png)
(Ⅰ)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e72adb45c60c2f63b46e65ff787302bf.png)
(Ⅱ)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/351e63588265c780a69d89dc9893fb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4492fd2ea041ca877fea1bf3680e23e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d159b6c3d29e6ce9e5d6a6d1e5cda79.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22b373510103326bc5a0707fc5f43459.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d5e5b89f4fc992388b29c64421761ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://img.xkw.com/dksih/QBM/2013/5/31/1571236561756160/1571236567171072/STEM/aab3fbbae68645f6a20d24eaabb99373.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c70d41ecda20ebbe2a8d654cda1cce15.png)
您最近一年使用:0次
2016-12-04更新
|
982次组卷
|
3卷引用:2016届江西师大附中高三上学期期末理科数学试卷
解题方法
4 . 将函数
的图像向右平移
个单位,再纵坐标不变,横坐标变为原来的2倍,所得新图像的函数解析式是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ddd6b0ddcc5807c27a1f99cb7929fca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c67d01e61dc0042e67b5e8ec8e727c22.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
解题方法
5 . 函数
的图象的一部分如图所示,则此函数的解析式为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/8/10/5e138313-e98d-4991-af4e-782f57b1e6d0.png?resizew=148)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10a3ebb4f37415bc62bd491f1b276d2f.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/8/10/5e138313-e98d-4991-af4e-782f57b1e6d0.png?resizew=148)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
13-14高三上·湖南常德·阶段练习
6 . 已知函数
,其图象上相邻两条对称轴之间的距离为
,且过点
.
(Ⅰ)求
和
的值;
(Ⅱ)求函数
的值域.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c34d9942689e5f4e98d93471fb2e56f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73d5adfe85535b699655d5ed2f3322d8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4de4d846a89146bbff26ab27f958f895.png)
(Ⅰ)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8542e50495795c98f7aa7501fe0690a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5cada4595e617c68c84c8081c2f70dcb.png)
(Ⅱ)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ac10b44d7bdaa1d79b635da51b6a9ca.png)
您最近一年使用:0次
2016-12-02更新
|
916次组卷
|
3卷引用:2016届青海省平安一中高三4月月考理科数学试卷
7 . 设函数
的定义域为
,如果
存在唯一的
,使
为常数)成立,则称函数
在
上的“均值”为
,已知四个函数:
①
;
②
;
③
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/091b45c86ac6962ebfbf54f13642f3f4.png)
④
上述四个函数中,满足所在定义域上“均值”为1的函数是_____ .(填入所有满足条件函数的序号)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc1da2db85b44ae9ced8c09cd19593e2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/446923c4e61c461ff3df2ee830523a79.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/789a87222cda75878e1c59b4bd0c3730.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44215a5290e2c2f88e5256ced329c722.png)
②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad01ca892470bc6b382a2120e1737c75.png)
③
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b31caaf6cf5804221a8c845b413bd57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/091b45c86ac6962ebfbf54f13642f3f4.png)
④
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4446eb6ec6cc8bb07fe6472fd68d5b1.png)
上述四个函数中,满足所在定义域上“均值”为1的函数是
您最近一年使用:0次
8 . 已知函数
.
(Ⅰ)求函数
的最小正周期;
(Ⅱ)求函数
在区间
上的最大值与最小值的和.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4846154febd0c97afd0505bf55c3f08.png)
(Ⅰ)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(Ⅱ)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b37d42daea20166e94746b3d52715dc7.png)
您最近一年使用:0次
2016-12-04更新
|
379次组卷
|
2卷引用:2016届北京市海淀区高三上学期期末考试理科数学试卷
解题方法
9 . 已知向量
=(2,3),
=(−1,2),若
与
共线,则m的值为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb80eb942aafb194fadc473776f35b1d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/433b94c39737727e53468df419d8314a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b278158157e3e0b59a4eeba058b515f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f1c1dd6b13d92f2cc2eef097e14c07c.png)
A.−1 | B.0 |
C.1 | D.2 |
您最近一年使用:0次
名校
10 . 已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0e4892080a918aa2127c09e8d4c28c9.png)
,其图象相邻两条对称轴之间的距离为
,且
的图象关于直线
对称,则下列判断正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0e4892080a918aa2127c09e8d4c28c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3731e4fe7dbd8899acb023f8647b71af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d49f8a63ddbca52039fa9ab44cda6b29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8973254e0eeb29a0add0e4677ce5337b.png)
A.函数![]() ![]() |
B.函数![]() ![]() |
C.函数![]() ![]() |
D.函数![]() ![]() |
您最近一年使用:0次
2016-12-04更新
|
347次组卷
|
8卷引用:2016届福建福州市高三上学期期末数学(理)试卷