從數(shù)和形兩個方面來解釋.
1.y=f(x+1)是偶函數(shù),則f(-x+1)=f(x+1),即f(1-x)=f(1+x),從而y=f(x)的圖像關(guān)于x=1對稱.
2.y=f(x+1)是偶函數(shù),則其圖像關(guān)于y軸對稱,向右平移1個單位,得y=f(x-1+1)=f(x),從而y=f(x)的圖像關(guān)于x=1對稱.
如果函數(shù)y=f(x+1)是偶函數(shù),那么函數(shù)y=f(x)圖像關(guān)于 對稱
如果函數(shù)y=f(x+1)是偶函數(shù),那么函數(shù)y=f(x)圖像關(guān)于 對稱
數(shù)學(xué)人氣:518 ℃時間:2019-10-17 06:15:15
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