设
为实数集
到实数集
的函数,满足
.若
的图像有对称轴
且在区间
上单调递减,求k的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca4ff0af96ea467337cb30c4c765b5f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81010aa49873978934a617ce66ef404d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48196cf98394fcbce4181c33754141dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44284ff1ea50429a0610e13363be6080.png)
2006高三·甘肃·竞赛 查看更多[1]
(已下线)2006年全国高中数学联赛甘肃赛区预赛试题
更新时间:2018-12-21 21:20:06
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解答题-问答题
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适中
(0.65)
【推荐1】已知函数
,若存在实数
及
,使得
的定义域为
,值域为
,分别求
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的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09463153dd5dc2ab0c7e10da26e1e313.png)
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适中
(0.65)
【推荐2】设
、
、
是函数
的反函数图像上三个不同点,且满足
的实数
有且只有一个.求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb1d5df667d012582393a4169f98c843.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a22aa2dcf2712ddc1069f7e234056da4.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/488396900af10de0fa1e3c097faa09ea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/044cd0b9513db98be474d8195a79886a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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解答题-问答题
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适中
(0.65)
【推荐1】函数
是定义在
上,在
中取值的严格增函数(如果任意的
,当
时,有
,则称
是
上的严格增函数),并且满足条件
.试求
之值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa7a84d7e5d6236009a8be655bd500fd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abcc342b78b8c829d22ef5325354abed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26d8dafc71b106f39f4e15442220897b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e2f24b4fa5308650a244d954f78f09b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
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适中
(0.65)
【推荐2】设多项式
.若对于任意的非负实数x、y,有
求a、b、c所满足的条件.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/361f061dc2ffb78c0e3aca7b428723a6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/367936b458618efb6b2eadc843e5d6ba.png)
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