已知函数
为奇函数,满足
,且不等式
的解集 是
.
(1)求
的值;
(2)对一切
,不等式
都成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b67c63f92ae592039b8d3572d0fc212.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c0e5f52ee2233a6aa6e6ee1182fdb1d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a85312cae14a4a95744164338835f4fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1899d12e0a67afa5f585ee19af1878d.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76f0649064a085fb74c997fb507a9b6d.png)
(2)对一切
![](https://img.xkw.com/dksih/QBM/2012/7/26/1570938534133760/1570938539655168/STEM/ce7ea0344f4a4c608410c0d9e1ec5678.png?resizew=37)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53ace321d02b0b84496b7e41990678c3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
11-12高二下·辽宁大连·期中 查看更多[1]
(已下线)2011-2012学年辽宁省瓦房店高级中学高二下期中理科数学试卷
更新时间:2016-12-01 21:45:33
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【推荐1】设
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【推荐2】已知定义在R上的函数
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【推荐1】在
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为
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的最小值为
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②
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③
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的最大值为8.
则正确命题的序号是_________ .(写出所有正确命题的序号)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c527566ec9aff483bf308e4119d2322.png)
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①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/febf7413b35cf2889fdb57a6b519087c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af6ddf31b7d9225a4239883af72d153b.png)
②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59880e470359d8e9faf6ae5ce155cf2a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01317332a203c898536b1d0459f51d23.png)
③
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d911e720abfb1b8892747d79ddc8f4d.png)
④
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59880e470359d8e9faf6ae5ce155cf2a.png)
则正确命题的序号是
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【推荐1】若对任意实数x都有
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【推荐2】已知函数
,对任意的
,
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的取值范围为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2222afb6a140ce0e03308ea726d79814.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9cdec84a8a365bf818df7056abb4e08.png)
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