函數(shù)的奇偶性能用的簡(jiǎn)單習(xí)題

1、第1頁(yè)函數(shù)奇偶性的幾點(diǎn)規(guī)律（1）對(duì)于奇函數(shù)f(x)若x能取到零則f(0)=0（2）若f(x)為整式，且是定義在R上的奇函數(shù)，則自變量x的次數(shù)為奇數(shù)若f(x)為整式，且是定義在R上的偶函數(shù)，則自變量x的次數(shù)為偶數(shù)一.判斷下列函數(shù)的奇偶性：13()fxxx??242()23fxxx??321()fxx?464()8fxxx???52()412fxxx????????6()0fx?7()31fxx??8()|2||2|fxxx????二基礎(chǔ)測(cè)

2、試1函數(shù)y=x是（）A.奇函數(shù)B.偶函數(shù)C.非奇非偶D.不確定2函數(shù)y=x2的圖像（）A.關(guān)于x軸對(duì)稱(chēng)B.關(guān)于y軸對(duì)稱(chēng)C.關(guān)于原點(diǎn)軸對(duì)稱(chēng)D.不確定3已知函數(shù)f(x)為偶函數(shù)，f(1)=2，則f(1)=4下列函數(shù)是偶函數(shù)的是（）A。B.C.D.yx?223yx??1yx?201yxx??????5函數(shù)的圖象關(guān)于（）1yxx??A.y軸對(duì)稱(chēng)B.原點(diǎn)對(duì)稱(chēng)C.x軸對(duì)稱(chēng)D.直線yx?6二次函數(shù)為偶函數(shù)的條件是（）2()fxaxbxc???第3頁(yè)1