f(x)是定義在R上的偶函數(shù),其圖像關(guān)于X=2對(duì)稱(chēng),且當(dāng)X(-2,2)時(shí),f(x)=-x^+1,則當(dāng)-6<x<-2時(shí),f(x)=?
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f(x)是定義在R上的偶函數(shù),因此f(x)關(guān)于X=0對(duì)稱(chēng)f(x)又關(guān)于X=2對(duì)稱(chēng),因此, f(x)亦關(guān)于X=-2對(duì)稱(chēng)。當(dāng)X(-2,2)時(shí),f(x)=-x^+1將f(x)關(guān)于X=-2做對(duì)稱(chēng)操作則:當(dāng)-6