13-14高一上·内蒙古包头·期中
解题方法
1 . 已知定义在
上的奇函数
,当
时,
,那么
时,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd3c988d875438535244ee2b092a779b.png)
______________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://img.xkw.com/dksih/QBM/2014/1/3/1571458672934912/1571458678423552/STEM/f7a7d2e9a1f241a292dfff0c793a6e8b.png?resizew=142)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e541ea2f855f981c96207070683d388.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd3c988d875438535244ee2b092a779b.png)
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10-11高一上·江西新余·阶段练习
2 . 若函数
同时满足:①对于定义域上的任意
,恒有
②对于定义域上的任意
,当
时,恒有
,则称函数
为“理想函数”.给出下列四个函数中:⑴
⑵ ![](https://img.xkw.com/dksih/QBM/2015/1/19/1571967753633792/1571967759482880/STEM/c143d250c56543179ad3a6d9f2447286.png?resizew=65)
⑶
, ⑷
,能被称为“理想函数”的有____________ (填相应的序号) .
![](https://img.xkw.com/dksih/QBM/2015/1/19/1571967753633792/1571967759482880/STEM/40962e89de904f59a3eb6ae82f5c2dfd.png?resizew=35)
![](https://img.xkw.com/dksih/QBM/2015/1/19/1571967753633792/1571967759482880/STEM/ed8f3c9fbf6e43b8896cbd80f7bd5f6e.png?resizew=13)
![](https://img.xkw.com/dksih/QBM/2015/1/19/1571967753633792/1571967759482880/STEM/ee54adcf45d8484c9372763679bb1a5c.png?resizew=115)
![](https://img.xkw.com/dksih/QBM/2015/1/19/1571967753633792/1571967759482880/STEM/14d04e7f69dc47ee94fa8ab5c9ac8202.png?resizew=37)
![](https://img.xkw.com/dksih/QBM/2015/1/19/1571967753633792/1571967759482880/STEM/7d2d1c7aa55f49f187e044158629bbfa.png?resizew=49)
![](https://img.xkw.com/dksih/QBM/2015/1/19/1571967753633792/1571967759482880/STEM/a7cc2a25ee8048b7835a20f7f898981f.png?resizew=117)
![](https://img.xkw.com/dksih/QBM/2015/1/19/1571967753633792/1571967759482880/STEM/40962e89de904f59a3eb6ae82f5c2dfd.png?resizew=35)
![](https://img.xkw.com/dksih/QBM/2015/1/19/1571967753633792/1571967759482880/STEM/e16110ad54bb413ab43aa7a662fc75f5.png?resizew=63)
![](https://img.xkw.com/dksih/QBM/2015/1/19/1571967753633792/1571967759482880/STEM/c143d250c56543179ad3a6d9f2447286.png?resizew=65)
![](https://img.xkw.com/dksih/QBM/2015/1/19/1571967753633792/1571967759482880/STEM/ea9feb1b9f644d44bee71d96ae541d18.png?resizew=12)
![](https://img.xkw.com/dksih/QBM/2015/1/19/1571967753633792/1571967759482880/STEM/64f77c5259394807bc0c62f8d91deb98.png?resizew=91)
![](https://img.xkw.com/dksih/QBM/2015/1/19/1571967753633792/1571967759482880/STEM/15a6d5242dc64538b0e9c215ab84b4e4.png?resizew=135)
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11-12高一上·广东深圳·期中
3 . 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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4 . 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
您最近一年使用:0次
14-15高一上·辽宁大连·期中
5 . 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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6 . 已知
,且
(-2)= 10,则
(2)=________ .
![](https://img.xkw.com/dksih/QBM/2015/12/1/1572329171214336/1572329177137152/STEM/c54bcc6b200649a59be6f88723bb0c6a.png?resizew=164)
![](https://img.xkw.com/dksih/QBM/2015/12/1/1572329171214336/1572329177137152/STEM/25aeec0feef546769402dd73c51cf543.png?resizew=16)
![](https://img.xkw.com/dksih/QBM/2015/12/1/1572329171214336/1572329177137152/STEM/25aeec0feef546769402dd73c51cf543.png?resizew=16)
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