已知函数
的周期为
.
(1)求函数
的单调递增区间和最值;
(2)当
时,函数
恰有两个不同的零点,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8fad278e51e07a1d4ae3b3b6121e1c0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d88591679796c52024d11c4de641bdb.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d752d3d8c08dcf8a656bacdf29af416.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8174b58c3bec4a5df964e158eb1d131c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
更新时间:2020-05-19 06:59:01
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【推荐1】已知函数
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【推荐2】已知函数
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97e710b2c873a3aed0b12ba98c55e214.png)
(1)若∀x∈R,f(x)≥0,求实数a的取值范围;
(2)用min{m,n}表示m,n中的较小者.设h(x)=min{f(x),g(x)}(x>0),若h(x)有三个零点,求实数a的取值范围.
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c6cb8618c2b360ba8b7d33ac43a3640.png)
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【推荐2】已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3dfe20592dcb303f879be5b2ab56f395.png)
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【推荐1】已知函数
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![](https://img.xkw.com/dksih/QBM/editorImg/2023/7/10/6162d487-fd9c-406a-80f7-1fdf0454ff2a.png?resizew=179)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed82cba97fe98a09ac36c73382e5f285.png)
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【推荐1】已知函数
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【推荐2】如图,弹簧上挂的小球做上下振动时,小球离开平衡位置的位移s(cm)随时间t(s)的变化曲线是一个三角函数的图象.
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(2)求这条曲线的函数解析式;
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![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/22/f0206325-aba8-46d4-8334-9d40a4689239.png?resizew=178)
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