解题方法
1 . 已知对
,都有
,且当
时,
.
(1)求函数
的解析式,并画出
的简图(不必列表);
(2)求
的值;
(3)求
的解集.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ad5fe274cfc8da2dacfb65801f344ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d3dfb9993f0852e443ea196e974013d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aad8ca0dc9a54c3346d495bb66740b6a.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/28/a2c7f897-ab4c-4bb8-adbc-bcaee5e4cbe8.png?resizew=213)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea09ab225081c171f6d54afec5ffaad9.png)
(3)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7da221f28de0d5aa1b62e0d41cab7d9.png)
您最近一年使用:0次
解题方法
2 . 已知函数
是定义在
上的偶函数,且当
时,
,现已画出函数
在
轴左侧的图象(如图所示),请根据图象解答下列问题.
(1)作出
时,函数
的图象,并写出函数
的增区间;
(2)写出当
时,
的解析式;
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a43b2faa4f81f32d94612dce724e772b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db2b74d89854116e411c089d053df053.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/becd598a11b876d858728161a7a09705.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/28/bd960988-5008-4149-baad-2658fa5cc5b7.png?resizew=180)
(1)作出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)写出当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
您最近一年使用:0次
2023-11-08更新
|
394次组卷
|
2卷引用:陕西省榆林市定边县第四中学2023-2024学年高一上学期期中数学试题
3 . 已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64ce2262f09611af0de4de1976b364ed.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/15/d010ae1c-5592-4f61-b2ab-87440ad23ca6.png?resizew=206)
(Ⅰ)用“五点法”画出它在一个周期内的闭区间上的图象(完成横、纵坐标列表);
(Ⅱ)写出函数
图象的单调递增区间与最值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64ce2262f09611af0de4de1976b364ed.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/15/d010ae1c-5592-4f61-b2ab-87440ad23ca6.png?resizew=206)
(Ⅰ)用“五点法”画出它在一个周期内的闭区间上的图象(完成横、纵坐标列表);
(Ⅱ)写出函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
您最近一年使用:0次
2021-09-12更新
|
240次组卷
|
2卷引用:陕西省榆林市第十二中学2020-2021学年高一下学期第一次月考数学试题
解题方法
4 . 已知函数
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/29/3576fe03-e005-4b54-8bed-2ded9ef44234.png?resizew=276)
(1)求函数
的最小正周期和值域;
(2)如图,在给出的直角坐标系中,画出
在区间
上的图象,并求出
成立的x的取值集合.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed7c03bbe58fe0ff47311ea5f2a6a9fa.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/29/3576fe03-e005-4b54-8bed-2ded9ef44234.png?resizew=276)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8b6894e8c345a035e89ec672503a01f.png)
(2)如图,在给出的直角坐标系中,画出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09b29a7faa14a6e09d0db2d04f4ced03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5f468bb0f50041c696624cc71807ec3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3417699eb4a32521b7ff1f7b2a1d5f47.png)
您最近一年使用:0次