名校
1 . 已知函数
的最大值为2.
![](https://img.xkw.com/dksih/QBM/2022/4/15/2958963970203648/2961446318161920/STEM/aa43ec82-1cfd-41bd-9a5d-09a0346a1e37.png?resizew=298)
(1)求a的值及
图像的对称中心;
(2)画出
在
上的图象;
(3)
,写出不等式
的解集.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ac62fc3379bcf2f568d99212c90ac73.png)
![](https://img.xkw.com/dksih/QBM/2022/4/15/2958963970203648/2961446318161920/STEM/aa43ec82-1cfd-41bd-9a5d-09a0346a1e37.png?resizew=298)
(1)求a的值及
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)画出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3aae9c8988f4a48db69cad3308942c9.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6e6a137b90e2b0fc0a09807085a0e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12e02125e0a1f3cda39742b765baa74c.png)
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名校
2 . 设函数
,将该函数的图象向左平移
个单位长度后得到函数
的图象,函数
的图象关于y轴对称.
![](https://img.xkw.com/dksih/QBM/2022/1/14/2894204381913088/2894840754208768/STEM/49a4cbbc-efa3-45ad-be35-688451531dac.png?resizew=302)
(1)求
的值,并在给定的坐标系内,用“五点法”列表并画出函数
在一个周期内的图象;
(2)求函数
的单调递增区间;
(3)设关于x的方程
在区间
上有两个不相等的实数根,求实数m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc562abfe90b5a038d83c91b45cfe1d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c67d01e61dc0042e67b5e8ec8e727c22.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://img.xkw.com/dksih/QBM/2022/1/14/2894204381913088/2894840754208768/STEM/49a4cbbc-efa3-45ad-be35-688451531dac.png?resizew=302)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074c228ffc7b1e306f8410afe7bc4b5c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(3)设关于x的方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/310af9d1cf5eaede3d6fa6aa40c4d481.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d61800012f3c391f1340aeccee94294b.png)
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