名校
1 . 函数
在一个周期内的图象如图所示,A为图象的最高点,B、C为图象与x轴的交点,且△ABC为正三角形.
(1)求
的值及函数
的值域;
(2)若
,且
,求
的值;
(3)将函数
的图象上各点的纵坐标变为原来的
倍,横坐标不变,再将所得图象各点的横坐标变为原来的
倍,纵坐标不变,最后将所得图象向右平移
个单位,得到
的图象,若关于
的方程
在区间
上有两个不同解,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14e16e07669e95ea326ff037c4c5db5c.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074c228ffc7b1e306f8410afe7bc4b5c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fed3f0c5b41b4ae5373994d114b7a567.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f524442daa200dc136dfbb50e8aeaf3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2e9da6aa2726279d243064ad3687358.png)
(3)将函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69a8b76e36783a69d14ec54af82c7df0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074c228ffc7b1e306f8410afe7bc4b5c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d88591679796c52024d11c4de641bdb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a1cfb60420ff7e72c1b9d64f69ae063.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1bc1d7ad8216fa41c46ca8bd777b0af3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1613d377a07850c72cbec354b7a3000f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://img.xkw.com/dksih/QBM/2017/5/5/1683351420043264/1737964532367360/STEM/06ad138eec0c4d0cb1f576cee32e2b15.png?resizew=221)
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