1 . 将表的分针拨慢10分钟,则分针转过的角的弧度数是___________ .
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2016-12-04更新
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785次组卷
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2卷引用:2017届江西鹰潭一中高三上学期月考二数学(理)试卷
2 . 已知函数
.
(1)求函数
的最小正周期;
(2)将函数
的图象向下平移
个单位,再将图象上各点的纵坐标伸长到原来的2倍(横坐标不变),得到函数
的图象,求使
成立的
的取值集合.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3fb73d0e65f5fdafb0cc25fb35ab2b36.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)将函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56d266a04f3dc7483eddbc26c5e487db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a1cfb60420ff7e72c1b9d64f69ae063.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d95e964c8e9f5beefc6b84add2280cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
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2016-12-04更新
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512次组卷
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3卷引用:2016届江西省吉安一中高三上学期第五次周考文科数学试卷
解题方法
3 . 已知
,
与
的夹角为60°,则
在
方向上的投影为___________ ;
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af060f42e65bde15907dbb87c1e6318a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a2f4b1178f68bd147d1a2a6acd04435.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c94075193c11fe43f2396cff5a485054.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d108e523626be0b40be9b3543ce12524.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c94075193c11fe43f2396cff5a485054.png)
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4 . 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,+∞) |
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2016-12-04更新
|
343次组卷
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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)
2012·河南焦作·一模
5 . 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)
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2016-12-04更新
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982次组卷
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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
6 . 已知
,且
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b9ebec80e6f3b95fee69ac253720a5d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cdaa1ee778b5903e3f90dce7a8702d88.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aaa3d3ca8ae9c034b384ba8267808553.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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7 . 已知
的内角A满足
,则![](https://img.xkw.com/dksih/QBM/2015/10/20/1572261574967296/1572261580734464/STEM/3d712d46d6fc4dd6aaa69b6205f9dc1e.png)
![](https://img.xkw.com/dksih/QBM/2015/10/20/1572261574967296/1572261580734464/STEM/5efeb4bcfefc4bfba6ba48cf262770f4.png)
![](https://img.xkw.com/dksih/QBM/2015/10/20/1572261574967296/1572261580734464/STEM/f72cb590ac0e44e2b841c043f3a3c597.png)
![](https://img.xkw.com/dksih/QBM/2015/10/20/1572261574967296/1572261580734464/STEM/3d712d46d6fc4dd6aaa69b6205f9dc1e.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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8 . 将函数
图象上所有点的横坐标伸长到原来的2倍,再向右平移
个单位长度,得到函数
的图象,则
图象的一条对称轴是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/621452e0e3697cf76916301a8aac5444.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c67d01e61dc0042e67b5e8ec8e727c22.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1938c093dd2fbcb752d0eb7a18d143b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1938c093dd2fbcb752d0eb7a18d143b2.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
2016-12-03更新
|
381次组卷
|
2卷引用:2016届江西吉安一中高三三模考试数学(理)试卷
解题方法
9 . 将函数
的图象向右平移
个单位后得到函数
的图象,若对满足
的
,有
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f025bb0112c19870e3e5d489ec03fcdb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16b3c1bef51cb5fe6d9fe0b033c6b026.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec81fd3853b7e589a7cbc864d317b76a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ce7ae90d808f05e86ea063238e4b2f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6adafa11aaace0f16040c321c3dcc613.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46626b75bd7bc420bf32b66e3253b40b.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
解题方法
10 . 已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ec89c3bc454d209007c2b29baeeb3b0.png)
的部分图象如图所示,则
的值为
![](https://img.xkw.com/dksih/QBM/editorImg/2022/8/7/b4815a28-704a-460b-a602-1157882b71fe.png?resizew=207)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ec89c3bc454d209007c2b29baeeb3b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e670dc88532bb37b3f9ba67d1ebf512.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd457b37ba0cdcb85f27e31f3339d516.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/8/7/b4815a28-704a-460b-a602-1157882b71fe.png?resizew=207)
A.![]() | B.![]() | C.![]() | D.![]() |
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