解题方法
1 . 对于定义在
上的函数
,下列判断是否正确?
(1)若
是偶函数,则
;
(2)若
,则函数
是偶函数;
(3)若
,则函数
不是偶函数;
(4)若
,则函数
不是奇函数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/264f33256fa44a705ddee784b8b63e1c.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/264f33256fa44a705ddee784b8b63e1c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a42ccb5123dff93126033e5182b1fb6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(4)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/264f33256fa44a705ddee784b8b63e1c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
您最近一年使用:0次
2 . 判断下列表达式是否正确:
(1)
;
(2)
;
(3)
;
(4)
;
(5)
;
(6)
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f76cd859785bd919b149a30697082313.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1891dfee3cad5c5d741f03b808c4fbc.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd78e3cc6209e3fb5e26e2872cb5095d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f76cd859785bd919b149a30697082313.png)
(4)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65273313b58cf0ab320acff4a67df9b0.png)
(5)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c49e480ba047b62424e140c2b26814d4.png)
(6)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a837165ca03f9e4ea8964979c95e3bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f76cd859785bd919b149a30697082313.png)
您最近一年使用:0次