高中数学代数与函数一函数练习题48
题目内容

偶函数y=f(x)满足条件f(x+1)=f(x-1),且当x∈[-1,0]时,f(x)=3 x+ http://picflow.koolearn.com/upload/2013-07/17/b7de7ae5-348f-4763-9aa3-680a219265bd/paper.files/image030.png,则f( http://picflow.koolearn.com/upload/2013-07/17/b7de7ae5-348f-4763-9aa3-680a219265bd/paper.files/image031.png)的值等于(   )

2021-07-28

A.-1

B.http://picflow.koolearn.com/upload/2013-07/17/b7de7ae5-348f-4763-9aa3-680a219265bd/paper.files/image032.png

C.http://picflow.koolearn.com/upload/2013-07/17/b7de7ae5-348f-4763-9aa3-680a219265bd/paper.files/image033.png

D.1

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