1 . 函数
的部分图象大致如图所示,则
的解析式可能为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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11-12高一上·广东深圳·期中
2 . 若函数
是偶函数,则
的递减区间是________
![](https://img.xkw.com/dksih/QBM/2015/12/1/1572329171214336/1572329177104384/STEM/83106f2af5aa4b1d8028d093bc017924.png?resizew=191)
![](https://img.xkw.com/dksih/QBM/2015/12/1/1572329171214336/1572329177104384/STEM/ed8bd1560ba141d1bcacc46cc7b3996b.png?resizew=36)
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3 . 对于函数f(x)=x|x|+px+q,现给出四个结论:
①q=0时,f(x)为奇函数;
②y=f(x)的图象关于(0,q)对称;
③p=0,q>0时,方程f(x)=0有且只有一个实数根;
④方程f(x)=0至多有两个实数根.
其中正确的结论的序号为________ .
①q=0时,f(x)为奇函数;
②y=f(x)的图象关于(0,q)对称;
③p=0,q>0时,方程f(x)=0有且只有一个实数根;
④方程f(x)=0至多有两个实数根.
其中正确的结论的序号为
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4 . 已知定义域均为
的奇函数
和偶函数
,满足
,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/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f8ae341f116945011f218495c9daa3.png)
A.![]() ![]() |
B.![]() |
C.函数![]() ![]() ![]() |
D.当![]() ![]() ![]() |
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11-12高三上·湖北黄冈·阶段练习
5 . 设
是周期为2的奇函数,当
时,
,
则
=
![](https://img.xkw.com/dksih/QBM/2011/12/28/1570637123715072/1570637128818688/STEM/ddd52708d671456a8fb2389a359a6a14.png)
![](https://img.xkw.com/dksih/QBM/2011/12/28/1570637123715072/1570637128818688/STEM/f0dd7ab80c3a4e36b83c86eebeda5c92.png)
![](https://img.xkw.com/dksih/QBM/2011/12/28/1570637123715072/1570637128818688/STEM/becb8e9e44bd44f59b09ee6410819ddf.png)
则
![](https://img.xkw.com/dksih/QBM/2011/12/28/1570637123715072/1570637128818688/STEM/586cbbd79b7943038129de6ca1a0920e.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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10-11高三·河南信阳·阶段练习
6 . 设定义域为R的函数
满足下列条件:①对任意
;②对任意
,当
时,有
,则下列不等式不一定成立的是
![](https://img.xkw.com/dksih/QBM/2011/12/24/1570632043888640/1570632048975872/STEM/85b21d92d66144ea8bf8cdb9de4f3b5d.png)
![](https://img.xkw.com/dksih/QBM/2011/12/24/1570632043888640/1570632048975872/STEM/526e2ce54731496fa1c52e324b97b42e.png)
![](https://img.xkw.com/dksih/QBM/2011/12/24/1570632043888640/1570632048975872/STEM/bf66d802433c4ffb9e261cb82d46c448.png)
![](https://img.xkw.com/dksih/QBM/2011/12/24/1570632043888640/1570632048975872/STEM/fe69bf550dd14daf94890ba85e34647c.png)
![](https://img.xkw.com/dksih/QBM/2011/12/24/1570632043888640/1570632048975872/STEM/ae0139361cf647358bf257bd928a2e12.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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14-15高一上·辽宁大连·期中
7 . 已知
为奇函数,且
时,
,则![](https://img.xkw.com/dksih/QBM/2014/12/9/1571920700194816/1571920705552384/STEM/f4aba352f48f4a49a930f25ca5f5e812.png?resizew=57)
__________ .
![](https://img.xkw.com/dksih/QBM/2014/12/9/1571920700194816/1571920705552384/STEM/9286ea26b44241048b84dca8018c8c4d.png?resizew=36)
![](https://img.xkw.com/dksih/QBM/2014/12/9/1571920700194816/1571920705552384/STEM/9db87eb30fad4da3ac7ff8a2605f6ae0.png?resizew=37)
![](https://img.xkw.com/dksih/QBM/2014/12/9/1571920700194816/1571920705552384/STEM/29b883db80164903a48bcd6ea62ac0fd.png?resizew=113)
![](https://img.xkw.com/dksih/QBM/2014/12/9/1571920700194816/1571920705552384/STEM/f4aba352f48f4a49a930f25ca5f5e812.png?resizew=57)
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11-12高三上·江西·阶段练习
解题方法
8 . 已知函数
,则不等式
的解集是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c8d498b2ebc4cce67a8b0d5f457144a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/429da70f8efbfb2d445918e9c182434f.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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9 . 函数
,
是
![](https://img.xkw.com/dksih/QBM/2015/1/15/1571965326745600/1571965332201472/STEM/56a7f2b53fe044d693cbde5a2d5da8c8.png)
![](https://img.xkw.com/dksih/QBM/2015/1/15/1571965326745600/1571965332201472/STEM/054cb6b198a647c8afc041774cf82e53.png)
A.偶函数 | B.奇函数 | C.不具有奇偶函数 | D.与![]() |
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