14-15高三上·甘肃兰州·期中
解题方法
1 . 已知集合
,
,
,
.
(Ⅰ)求
;
(Ⅱ)若
,求
的取值范围.
![](https://img.xkw.com/dksih/QBM/2014/12/3/1571912630001664/1571912635973632/STEM/6d1055bd67a64d559357ed0e1a7759cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abddc656ff3670ee66a2c9370d9196cb.png)
![](https://img.xkw.com/dksih/QBM/2014/12/3/1571912630001664/1571912635973632/STEM/fb982e5115244a07b40eaef043b6a5ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4d1dbacb32c6aa64b346cfc40c5e7f7.png)
(Ⅰ)求
![](https://img.xkw.com/dksih/QBM/2014/12/3/1571912630001664/1571912635973632/STEM/a95c9a1393054751b0c40a13d8d18b7e.png)
(Ⅱ)若
![](https://img.xkw.com/dksih/QBM/2014/12/3/1571912630001664/1571912635973632/STEM/a2ef69267a024f4aadcc95691f9e44ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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2 . 若
的定义域为
,则
的定义域为
![](https://img.xkw.com/dksih/QBM/2014/11/20/1571898562199552/1571898567680000/STEM/10a1d31b1522480893ec4107055e01f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f8ed0edaebe95e5347b44806e166d0e1.png)
![](https://img.xkw.com/dksih/QBM/2014/11/20/1571898562199552/1571898567680000/STEM/640b886f4631477db7985a4adada621a.png)
A.![]() | B.![]() | C.![]() | D.无法确定 |
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2014·河南开封·一模
3 . 将边长为2的等边
沿
轴正方向滚动,某时刻
与坐标原点重合(如图),设顶点
的轨迹方程是
,关于函数
的有下列说法:
①
的值域为
;
②
是周期函数;
③
;
④
,其中正确的个数是
![](https://img.xkw.com/dksih/QBM/2014/11/6/1571890526527488/1571890532196352/STEM/128036908a91488b84f689a2a1e8e74a.png?resizew=174)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2205cffebf8c4d5f81d15ed7b85c8936.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aee82283f06cedef32eb15b87964f5d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb87c830a03204a5b783ad4c2ba49c4e.png)
②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
③
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33f1c65db77fc478ed3491f5cf96240d.png)
④
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9d8d288e14d5597cda4581629ae2e65.png)
![](https://img.xkw.com/dksih/QBM/2014/11/6/1571890526527488/1571890532196352/STEM/128036908a91488b84f689a2a1e8e74a.png?resizew=174)
A.0 | B.1 | C.2 | D.3 |
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13-14高三·甘肃张掖·阶段练习
解题方法
4 . 已知
,
.若同时满足条件:
①
;②
,则
的取值范围是___________________ .
![](https://img.xkw.com/dksih/QBM/2014/10/29/1571885855260672/1571885860798464/STEM/5e8f1b07070b429692014370068ab87b.png?resizew=188)
![](https://img.xkw.com/dksih/QBM/2014/10/29/1571885855260672/1571885860798464/STEM/c7b2fb901d7b468d9f4c3d9a75eafd6b.png?resizew=91)
①
![](https://img.xkw.com/dksih/QBM/2014/10/29/1571885855260672/1571885860798464/STEM/86d87c84b19a44a08ae1bdcbd2a8ac24.png?resizew=180)
![](https://img.xkw.com/dksih/QBM/2014/10/29/1571885855260672/1571885860798464/STEM/eb52d65bf4cd458b8b35b4bf4f8c9496.png?resizew=180)
![](https://img.xkw.com/dksih/QBM/2014/10/29/1571885855260672/1571885860798464/STEM/e7f056bbdf6c4e36be0d20b58b93971e.png?resizew=17)
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14-15高三上·云南玉溪·阶段练习
解题方法
5 . 设函数
.
(1)当
时,求函数
的定义域;
(2)若函数
的定义域为
,试求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58e2536c2a7b8a108ed9c8957b6e3bbe.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab839d8569171afab5ed55c22013aa72.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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2016-12-03更新
|
831次组卷
|
9卷引用:2015届甘肃省天水市一中高三5月中旬仿真考试理科数学试卷
14-15高三上·四川成都·阶段练习
6 . 已知
为定义在
上的奇函数,当
时,函数解析式为
.
(1)求
在
上的解析式;
(2)求
在
上的最值
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d188ec2580e273ce87e51653a2177ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d58567d3cb3137e68b7ff1671cd8433.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/50ce5cad1f90aa25501c6bb4837a3831.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/304226ca50149b49702928e44d565964.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/304226ca50149b49702928e44d565964.png)
您最近一年使用:0次
2016-12-03更新
|
1085次组卷
|
6卷引用:2014-2015学年甘肃省天水市一中高一上学期期中考试数学试卷
13-14高一下·甘肃武威·期末
解题方法
7 . 设函数
若
,则函数
的零点个数有_________ 个.
![](https://img.xkw.com/dksih/QBM/2014/10/23/1571882336714752/1571882342277120/STEM/b9c8d1960bf04294885a9eb68da1dc86.png?resizew=168)
![](https://img.xkw.com/dksih/QBM/2014/10/23/1571882336714752/1571882342277120/STEM/0563ec360b1f446a89303775838698c9.png?resizew=92)
![](https://img.xkw.com/dksih/QBM/2014/10/23/1571882336714752/1571882342277120/STEM/b1d51088583c4c158a5cd7312bcbc8ba.png?resizew=132)
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13-14高一下·甘肃兰州·期末
8 . 给出下列命题
①
中,
,
,则
;
② 角
终边上一点
,且
,那么
;
③ 若函数
对于任意的
都有
,
则
;
④ 已知
满足
,则
.
其中正确的个数有
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ce00628b61b436a299ad1583aa4d3f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/55493e331f88d3d1c396e92b46c97ecd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f16c3505c0f8fccaa7c862c15bd1c3ed.png)
② 角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bbf5a148e720b0e8cccfe2b70ab7dfd1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20849c00c47cbdc43f18d53341b6c4e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/969b106918cf44777d177a0538da8cb3.png)
③ 若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cdbf1db7b947d7124d6e76ccab7e80ba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7380cc3ab83a545ef2923994fd3dd575.png)
则
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ac711a46ecc22ea6e107a8a2c92bc44.png)
④ 已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b4560bf12beaa19f7e1bac46374e905.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c37f2cdb8d350f4f5f47815ced2d0f66.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c40fefc7ab946f4a1ed50691eeef1b1.png)
其中正确的个数有
A.1个 | B.2个 | C.3个 | D.4个 |
您最近一年使用:0次
13-14高二下·甘肃天水·期末
名校
解题方法
9 . 已知函数
且
,
(1)求
的值;
(2)判断
在
上的单调性,并用定义给予证明.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/509095e82c1cd9c97f9b7a15d3740e7c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c01a939908fc4e312d54f516bdb731b.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8b6894e8c345a035e89ec672503a01f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e881fec40d166eecf66123058faf05fe.png)
您最近一年使用:0次
2016-12-03更新
|
536次组卷
|
3卷引用:2013-2014学年甘肃省天水一中高二下学期期末考试理科数学试卷
(已下线)2013-2014学年甘肃省天水一中高二下学期期末考试理科数学试卷吉林省梅河口五中2016-2017学年高二下学期期末考试理数试题吉林省梅河口五中2016-2017学年高二下学期期末考试文数试题
2014·甘肃张掖·三模
解题方法
10 . 已知定义在
上的函数
是奇函数且满足
,
,数列
满足
,且
,(其中
为
的前
项和),则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a43b2faa4f81f32d94612dce724e772b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62d201eeaf2699e406371e61f9f2c34e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5caa9e83cd3d45945c03bfe8494e5bb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bbe7bdaaf8b0adf10bf2ef6c1255b1dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8061e75c2c249ad9d6a5ea93053a9f02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9487cdac8f0ae138a80cbcc41987e9f3.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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