1 . 函数
的单调递增区间是
![](https://img.xkw.com/dksih/QBM/2016/4/15/1572595325804544/1572595331670016/STEM/761f7f596d39461ebad6caed203e2fe4.png)
A.![]() |
B.![]() |
C.![]() |
D.![]() |
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2 . 将函数y=sin2x的图象向左平移
个单位,再将图象上各点的横坐标伸长到原来的2倍,纵坐标不变,则所得图象对应的函数解析式是
![](https://img.xkw.com/dksih/QBM/2016/4/15/1572595325804544/1572595331596288/STEM/2ff50e76539848f0a35d4ed3b1cebb58.png)
A.y=cos4x | B.y=cosx | C.y=sin(x+![]() | D.y=sinx |
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3 . 在△ABC中,若A=60°,b=16,此三角形的面积
,则△ABC的AB边的长为
![](https://img.xkw.com/dksih/QBM/2016/4/15/1572595325804544/1572595331555328/STEM/6514a98e34424f4b99a26a159160bf3a.png)
A.55 | B.![]() | C.51 | D.49 |
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4 . 关于函数
,看下面四个结论:
①
是奇函数;
②当
时,
恒成立;
③
的最大值是
;
④
的最小值是
.
其中正确结论的个数为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ab8966d3473beb0cab63b67e9e96eb8.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
②当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b68d263501af89d35cd2cb4f0859baa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6aba4c502f44cc595c9dfa0b8c6eb336.png)
③
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4b8503f4706b8321e4e79a87eadea84.png)
④
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f94407f032de7a4c49ec6dc8809133c.png)
其中正确结论的个数为
A.1个 | B.2个 | C.3个 | D.4个 |
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2016-12-04更新
|
301次组卷
|
3卷引用:2016-2017学年江西南昌市高三新课标一轮复习二数学试卷
5 . 已知函数f(x)=
则下列结论正确的是( )
![](https://img.xkw.com/dksih/QBM/2018/8/1/2030688275267584/2035054191493120/STEM/a8b2876d8cd540a89e7b63b276ffffd8.png?resizew=77)
A.f(x)是偶函数 | B.f(x)是增函数 |
C.f(x)是周期函数 | D.f(x)的值域为[-1,+∞) |
您最近一年使用:0次
2016-12-04更新
|
343次组卷
|
7卷引用:2016届江西省南昌市高三第一次模拟考试文科数学试卷
2016届江西省南昌市高三第一次模拟考试文科数学试卷2015-2016学年黑龙江省哈尔滨六中高一上11月月考数学试卷(已下线)2019高考备考一轮复习精品资料【理】专题五 函数的单调性与最值 教学案(已下线)2019高考备考一轮复习精品资料 【理】 专题六 函数的奇偶性与周期性 教学案(已下线)2019高考备考一轮复习精品资料【理】专题四 函数及其表示 教学案(已下线)2019高考热点题型和提分秘籍 【理数】专题4 函数及其表示 (教学案)(已下线)2019高考热点题型和提分秘籍 【理数】专题5 函数的单调性与最值 (教学案)
6 . 已知函数
.
(1)求函数
的周期及单调递增区间;
(2)在
中,三内角
,
,
的对边分别为
,
,
,已知函数
的图象经过点
,若
且
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c817d8d09907391cba9634ac086d75af.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52e297dd61553ea887d6a6f464331d99.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942245aece46d6fa4a771afe4ff05929.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b64af28c24767dd9a64e49e5948c806.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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解题方法
7 . 函数
,
,
,
,对任意的
,总存在
,使得
成立,则
的取值范围为_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c9b1c8b4e463b2d9e0ef8cdde8287cc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0eac2b31a19918895e5af2d316490e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9d7a62ccffa29d98e4f389228e9477f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f2b5ee1eabb64358a3d9db2349b6fce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3d5a5e70f64f0933ae1e4ddec5fa2c1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a49684ba67f71171321586f1a77ad4a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/347ac85769012f89d1f9951684e1d7b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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8 . 已知向量
.
(1)若
∥
,求
的值;
(2)若
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/47c86f45ad94a01938a8d38b72cfb602.png)
(1)若
![](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/43660b1543b3a2b46185f7629d28a963.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c05f1d68b133c5d2f76a06186e0ffb08.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4de6460673e82a39ddd43c662e0ce7da.png)
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9 . 在△ABC中,
为角
的对边,若
,则
是
![](https://img.xkw.com/dksih/QBM/2016/1/5/1572417306697728/1572417312538624/STEM/f7066fa8f27a4c76a863bf83629a896b.png)
![](https://img.xkw.com/dksih/QBM/2016/1/5/1572417306697728/1572417312538624/STEM/6e9e856c3590422e84adcdc7759f70e5.png)
![](https://img.xkw.com/dksih/QBM/2016/1/5/1572417306697728/1572417312538624/STEM/68cf730546bd4d3da8023cc368d7193c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd936a2405709574af0a73543d94ad9c.png)
A.锐角三角形 | B.钝角三角形 | C.等腰三角形 | D.等边三角形 |
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10 . 将函数
的图象沿
轴向左平移
个单位后,得到一个偶函数的图象,则
的最小值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37238ccf6bc5dc4ea1a8f5887d8fe89f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://img.xkw.com/dksih/QBM/2016/1/5/1572417306697728/1572417312612352/STEM/3f7ef8ae4f024d13af76f0ab29f12569.png?resizew=17)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6581916f5a65edfea257c804efee007e.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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