名校
解题方法
1 . 要得到函数
的图象,可以从正弦函数
图象出发,通过图象变换得到,也可以用“五点法”列表、描点、连线得到.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/21/904103ba-fdb5-4f61-9e80-a0b98d6d38a9.png?resizew=167)
(1)由
图象变换得到函数
的图象,写出变换的步骤和函数;
(2)用“五点法”画出函数
在区间
上的简图.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0acb87405f9e543d1a4eb639bf685f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2b9643da0c0fea4f099f9a9133d6076.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/21/904103ba-fdb5-4f61-9e80-a0b98d6d38a9.png?resizew=167)
(1)由
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2b9643da0c0fea4f099f9a9133d6076.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0acb87405f9e543d1a4eb639bf685f2.png)
(2)用“五点法”画出函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0acb87405f9e543d1a4eb639bf685f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ebaafc3367b396521cb155e321e2e89c.png)
您最近一年使用:0次
2023-02-19更新
|
764次组卷
|
4卷引用:云南省昆明市嵩明县2022-2023学年高一上学期期末数学测试题
2 . 已知![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2b501c64ba286161fa7e1289741cf48.png)
的最大值为
.
![](https://img.xkw.com/dksih/QBM/2022/1/13/2893640931090432/2895923144114176/STEM/a8afe60f-063d-4dbc-ad10-db89d1ce0501.png?resizew=235)
(1)求常数
的值;
(2)画出函数
在区间
上的图象,并写出
上的单调递减区间;
(3)若
,函数
的零点为
,
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2b501c64ba286161fa7e1289741cf48.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef559e2652a7c6789845c47e15861518.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
![](https://img.xkw.com/dksih/QBM/2022/1/13/2893640931090432/2895923144114176/STEM/a8afe60f-063d-4dbc-ad10-db89d1ce0501.png?resizew=235)
(1)求常数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)画出函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b24192cace1d2a643fc3a42a5b7ac273.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b24192cace1d2a643fc3a42a5b7ac273.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25ba8d2141d285c963ec078fe2ce8686.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7ec4e3e615d1508cc4bbf8ce975280c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aec19b68e3add9d5bfcc6269a1855b87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/450398974b1561ca801e102e16df6789.png)
您最近一年使用:0次
名校
3 . 已知函数
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/22/99423d3d-6fc9-4f5a-aac4-042dff736f31.png?resizew=258)
(1)当
时,求
的值域;
(2)用五点法在下图中画出
在闭区间
上的简图.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2abce26afe3416cfdbe9db8741e581b4.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/22/99423d3d-6fc9-4f5a-aac4-042dff736f31.png?resizew=258)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e32a34b3381654b4e3a7e0324b896b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b672f564d03ed46d092bb130f229ad8.png)
(2)用五点法在下图中画出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3897bf276a0b6c2121917d39b369df7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f37d173f8e63f94c895639bb498310a.png)
您最近一年使用:0次
2020-02-28更新
|
197次组卷
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2卷引用:云南省丽江市2019-2020学年高一下学期期末数学试题