1 . 证明T是函数
的周期的方法:_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
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2012·上海长宁·一模
2 . 已知函数
的定义域为R,且对任意
,都有
,若
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e0a843a0155b6b365adf79d050de152.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d479a86a1711709b2d100fe4daf3e7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/241b4aeca23db32f8469fd5a5f1ad91e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ffd469d5ddb162d04de0ba25c6a03cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b93ac46109179ce69009a8eb99f4038.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c185a730154752812b19851f8106a3e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e0a843a0155b6b365adf79d050de152.png)
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3 . 已知函数f(x)是(-∞,+∞)上的偶函数,若对于x≥0,都有f(x+2)=f(x),且当x∈[0,2)时,f(x)=log2(x+1),则f(-2010)+f(2011)的值为
A.-2 | B.-1 | C.1 | D.2 |
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4 . 设f(x)是(﹣∞,+∞)上的奇函数,f(x+2)=﹣f(x),当0≤x≤1时,f(x)=4x,
=_____ .
![](https://img.xkw.com/dksih/QBM/2016/1/25/1572464759037952/1572464764895232/STEM/c664b38814984f30ac356293d147bc35.png?resizew=78)
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12-13高三上·上海徐汇·期中
5 . 已知函数
的定义域为
,当
时,
,且对任意的
,等式
成立.若数列
满足,
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a7e8b3a9329f7a25c42a2a40b3eeb1a.png)
,则
的值为___________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c7028a5fa4d781d382ca3b73b74796e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e541ea2f855f981c96207070683d388.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b15e595e3d527befcf8726e5ae52a158.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4585a341dc2727bb9520f51eaf748b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51d3d3cf7d50f2d02a1e49f2ba603acf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe229b24e2d56ff6b491725ceae4ff2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/905dc25dd761afecda9965e1adcc968e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a7e8b3a9329f7a25c42a2a40b3eeb1a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/28d82e4c2294efbd33e1b268e9a0cec5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b94596e2d955050a7b56052d6efdc422.png)
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12-13高三上·上海杨浦·期末
6 . 已知f(x)在R上是奇函数,且满足f(x+4)=f(x),当x∈(0,2)时,f(x)=2x2,则f(2 011)=
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名校
7 . 已知
,其中
均为非零实数,若
,则
=_____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9da66c6826571d1ed5dbe42634f8f20e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43f3d0a1d4b7e152d0bc25e06637bae1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a29f8c32c49fcea380c7634ac8336eb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f3440f281a7f2710324b335d118df00.png)
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2020-01-07更新
|
45次组卷
|
2卷引用:上海市行知中学2017-2018学年高三上学期第二次月考数学试题
8 . 若函数
是以
为周期的奇函数,
,且
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d91e07104b699c4012be2d26160976a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7fa44c124c28efec8eeae9a43200e00.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d0ea3acd83c2a33956fe4b57bc4542c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/049b69cb2a47f8b749ec2c4a6af01251.png)
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9 . 对于定义域为R的函数
,若存在常数
,使得
是以
为周期的周期函数,则称
为“正弦周期函数”,且称
为其“正弦周期”.
(1)判断函数
是否为“正弦周期函数”,并说明理由;
(2)已知
是定义在R上的严格增函数,值域为R,且
是以
为“正弦周期”的“正弦周期函数”,若
,且存在
,使得
,求
的值;
(3)已知
是以
为一个“正弦周期”的“正弦周期函数”,且存在
和
,使得对任意
,都有
,证明:
是周期函数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1938c093dd2fbcb752d0eb7a18d143b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/094f977194228bed828f3507f5898934.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37dd12a44398c1da043894287ed73951.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1938c093dd2fbcb752d0eb7a18d143b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
(1)判断函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67a24462399b3f0a55f56ee64f2eace7.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1938c093dd2fbcb752d0eb7a18d143b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1938c093dd2fbcb752d0eb7a18d143b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a198d1e1aad38ac00efe0529e6598967.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69362920a541bcf343c7e2b6745c9473.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c456cf701f55723e8d8f6c06114d9155.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0c27720b9725aab9069e49693f4ebf1.png)
(3)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f786a5701dc1a8a015e8843c3360151b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13378be06b6b01bcad1d261ff14e87cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24a57996290794e082b21d8f1dfc322a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1741f5326542c1e7960ffe9a495f2f18.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f786a5701dc1a8a015e8843c3360151b.png)
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名校
10 . 已知
为数列
的前
项和,数列
满足
,且
,
是定义在
上的奇函数,且满足
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d300cf45e1fb95e1df5f17106b30f469.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/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2815b24f5a89be7ae53aed93182e8988.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dfbc3575e96d9e3969411525624d7092.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a43b2faa4f81f32d94612dce724e772b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b85562a6f6b3eeed84eed60281defe0d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d300cf45e1fb95e1df5f17106b30f469.png)
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