1 . 在两直角边分别为
,斜边为
的直角三角形中,若
,则实数
取值范围是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632244ea6931507f8656e1cc3437d392.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b72180fb77723651e8f18faacfe1b0d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2 . 若定义在
上的函数满足
,则不等式
的解集为 .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48f3b29d46e86f03bb024e62f6d3450e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac25342a996260d72ac88e0503d7bf20.png)
您最近一年使用:0次
2016-12-04更新
|
581次组卷
|
2卷引用:2016届福建省三明一中高三上第二次月考文科数学试卷
13-14高二下·福建三明·期中
解题方法
3 . 已知定义在
上的奇函数
,当
时,
.
(1)求函数
在
上的解析式;
(2)若函数
在区间
上单调递增,求实数
的取值范围.
![](https://img.xkw.com/dksih/QBM/2016/7/5/1572886950559744/1572886956335104/STEM/2396404801e24e2e9f774da02673fe68.png)
![](https://img.xkw.com/dksih/QBM/2016/7/5/1572886950559744/1572886956335104/STEM/605cf1e908214e92b37db0ba34ab7f91.png)
![](https://img.xkw.com/dksih/QBM/2016/7/5/1572886950559744/1572886956335104/STEM/824ec13fc49a4c63991e08d474bb4d21.png)
![](https://img.xkw.com/dksih/QBM/2016/7/5/1572886950559744/1572886956335104/STEM/3dd226f0db0444a8a7d884f35abfaed5.png)
(1)求函数
![](https://img.xkw.com/dksih/QBM/2016/7/5/1572886950559744/1572886956335104/STEM/605cf1e908214e92b37db0ba34ab7f91.png)
![](https://img.xkw.com/dksih/QBM/2016/7/5/1572886950559744/1572886956335104/STEM/2396404801e24e2e9f774da02673fe68.png)
(2)若函数
![](https://img.xkw.com/dksih/QBM/2016/7/5/1572886950559744/1572886956335104/STEM/605cf1e908214e92b37db0ba34ab7f91.png)
![](https://img.xkw.com/dksih/QBM/2016/7/5/1572886950559744/1572886956335104/STEM/7bb0ec6a65ec43f590e8476ff13b27da.png)
![](https://img.xkw.com/dksih/QBM/2016/7/5/1572886950559744/1572886956335104/STEM/53ea873d91424367b5a58c9e72b6cff6.png)
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4 . 若
,则实数x的取值范围为_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92b57206d4194c04f65c17bad7bb5e18.png)
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