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1 . 已知函数y=f(x)是定义在R上的奇函数,且当x≤0时,f(x)=x2+2x.现已画出函数f(x)在y轴左侧的图象,如图所示.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/29/8cc07a66-488a-4ece-b53f-fd197165cc62.png?resizew=211)
(1)请补充完整函数y=f(x)的图象;
(2)根据图象写出函数y=f(x)的单调递增区间及值域;
(3)根据图象写出使f(x)<0的x的取值集合;
(4)求出函数f(x)在R上的解析式.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/29/8cc07a66-488a-4ece-b53f-fd197165cc62.png?resizew=211)
(1)请补充完整函数y=f(x)的图象;
(2)根据图象写出函数y=f(x)的单调递增区间及值域;
(3)根据图象写出使f(x)<0的x的取值集合;
(4)求出函数f(x)在R上的解析式.
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2021-12-27更新
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2卷引用:广西容县高级中学2021-2022学年高二下学期开学考试数学(文)试题
2 . 满足
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