设
,函数
的图像是由函数
的图像经如下变换得到:先将
图像上所有点的纵坐标伸长到原来的
倍(横坐标不变),再将所得到的图像向右平移
个单位长度.
(1)求函数
的解析式,并求其图像的对称轴方程;
(2)已知关于
的方程
在
内有两个不同的解
、
,
①求实数
的取值范围;
②证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e663a09cdcde628b5633a6ab07dd55b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a1cfb60420ff7e72c1b9d64f69ae063.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a1cfb60420ff7e72c1b9d64f69ae063.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7ffe8515ff6183c1c7775dc6f94bdb8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1ad72d7565699d1ebb741eb0ce12bac.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
(2)已知关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0112b805a6f654552c73faa57563ac8d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b24192cace1d2a643fc3a42a5b7ac273.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
①求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
②证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07e228c185ab887fbbc46b4e06cb13e1.png)
更新时间:2021-07-24 15:03:19
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解答题-问答题
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适中
(0.65)
名校
【推荐1】已知函数
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【推荐2】已知函数
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【推荐3】已知函数
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【推荐3】已知
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【推荐2】已知函数
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【推荐3】已知函数
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【推荐1】设函数f(x)=sin2ωx-cos2ωx+2
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【推荐2】某公园为了吸引更多的游客,准备进一步美化环境.如图,准备在道路AB的一侧进行绿化,线段AB长为4百米,C,D都设计在以AB为直径的半圆上.设
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