高中数学代数与函数一函数练习题76
题目内容

已知 f( x)= http://picflow.koolearn.com/upload/2012-10/30/e9b38e73-ab00-49b9-ac0b-28a0c24bbd4a/paper.files/image001.png,则 f[ f( http://picflow.koolearn.com/upload/2012-10/30/e9b38e73-ab00-49b9-ac0b-28a0c24bbd4a/paper.files/image002.png)]的值是(    )

2021-08-03

A.-1

B.-2

C.http://picflow.koolearn.com/upload/2012-10/30/e9b38e73-ab00-49b9-ac0b-28a0c24bbd4a/paper.files/image003.png

D.-http://picflow.koolearn.com/upload/2012-10/30/e9b38e73-ab00-49b9-ac0b-28a0c24bbd4a/paper.files/image002.png

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