高中数学代数与函数一函数练习题69
题目内容

已知函数 http://picflow.koolearn.com/upload/2012-05/22/c3cec3fa-7a74-41c2-a0ea-fe6b52afb083/paper.files/image029.pnghttp://picflow.koolearn.com/upload/2012-05/22/c3cec3fa-7a74-41c2-a0ea-fe6b52afb083/paper.files/image030.png (    )              

2021-08-03

A.4

B.http://picflow.koolearn.com/upload/2012-05/22/c3cec3fa-7a74-41c2-a0ea-fe6b52afb083/paper.files/image031.png

C.-4

D.- http://picflow.koolearn.com/upload/2012-05/22/c3cec3fa-7a74-41c2-a0ea-fe6b52afb083/paper.files/image031.png

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