1 . 已知函数 ![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c39b12403fda55a20620a51d864ecd4e.png)
(1)试用“五点法”画出函数
在区间
的简图;
(2)若
时,函数
的最小值为
,试求出函数
的最大值并指出
取何值时,函数
取得最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c39b12403fda55a20620a51d864ecd4e.png)
(1)试用“五点法”画出函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1bcab30f6839d1a4427ce179b55d72c2.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4420ba6bf7666c8293e59debcc6e8bea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a526208da27d53bae502442a92285b1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
您最近一年使用:0次
名校
2 . 已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5bd4d5ca3a32c2925ead530db0c6fea2.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/25/d8034429-4afc-49b5-9a62-e47a55491820.png?resizew=238)
(1)若
,用“五点法”在给定的坐标系中,画出函数
在
上的图象.
(2)若
偶函数,求
:
(3)在(2)的前提下,将函数
的图象向右平移
个单位后,再将得到的图象上各点的横坐标伸长为原来的
倍,纵坐标不变,再向上平移一个单位得到函数
的图象,求
的对称中心.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5bd4d5ca3a32c2925ead530db0c6fea2.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/25/d8034429-4afc-49b5-9a62-e47a55491820.png?resizew=238)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c782473400ca663779f6fe453a1c6e9d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a92a4af4c8e0f00f002e854b6f484c48.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6581916f5a65edfea257c804efee007e.png)
(3)在(2)的前提下,将函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0afb80007983e5b99dcdeebf87d18ff4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c67d01e61dc0042e67b5e8ec8e727c22.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8860d9787671b53b1ab68b3d526f5ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb2faa63899873813748f6a28b8a92e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/028517e8bebe634441e0a5c79828e88a.png)
您最近一年使用:0次