高中数学代数与函数一函数练习题48
题目内容

已知函数 http://picflow.koolearn.com/upload/2013-10/26/542f7985-4653-456b-a678-6739d42fffe6/paper.files/image016.png,若 http://picflow.koolearn.com/upload/2013-10/26/542f7985-4653-456b-a678-6739d42fffe6/paper.files/image017.png是偶函数,则实数 http://picflow.koolearn.com/upload/2013-10/26/542f7985-4653-456b-a678-6739d42fffe6/paper.files/image018.png的值为(    )

2021-07-28

A.http://picflow.koolearn.com/upload/2013-10/26/542f7985-4653-456b-a678-6739d42fffe6/paper.files/image019.png

B.http://picflow.koolearn.com/upload/2013-10/26/542f7985-4653-456b-a678-6739d42fffe6/paper.files/image020.png

C.http://picflow.koolearn.com/upload/2013-10/26/542f7985-4653-456b-a678-6739d42fffe6/paper.files/image021.png

D.http://picflow.koolearn.com/upload/2013-10/26/542f7985-4653-456b-a678-6739d42fffe6/paper.files/image022.png

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