已知函數(shù)f(x)=|x-1|-|x+2|.
![](http://hiphotos.baidu.com/zhidao/pic/item/72f082025aafa40f2e99726ca864034f78f01927.jpg)
(1)用分段函數(shù)的形式表示該函數(shù);
(2)在右邊所給的坐標(biāo)第中畫出該函數(shù)的圖象;
(3)寫出該函數(shù)的定義域、值域、奇偶性、單調(diào)區(qū)間(不要求證明).
(1)
f(x)= | 3(x<?2) | ?2x?1(?2≤x<1) | ?3(x≥1) |
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(2)
![](http://hiphotos.baidu.com/zhidao/pic/item/0df431adcbef7609a34c252e2ddda3cc7cd99e38.jpg)
(3)該函數(shù)的定義域?yàn)镽.該函數(shù)的值域?yàn)閇-3,3].
該函數(shù)是非奇非偶函數(shù).該函數(shù)的單調(diào)區(qū)間為[-2,1].