已知y=f(x)是定义在R上的偶函数,当x≥0时,f(x)=x
2-2x.
(1)求f(x)的解析式;
(2)作出函数f(x)的图象,并指出其单调区间.(不需要严格证明)
考点分析:
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计算下列各式
(1)(a
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131103102455613086300/SYS201311031024556130863015_ST/0.png)
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b
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a
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131103102455613086300/SYS201311031024556130863015_ST/5.png)
b
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)
(2)[(0.3)
3]
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131103102455613086300/SYS201311031024556130863015_ST/7.png)
-(-
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131103102455613086300/SYS201311031024556130863015_ST/8.png)
)
-2+(4
4)
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-3
-1+(
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131103102455613086300/SYS201311031024556130863015_ST/10.png)
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