高中数学代数与函数一函数练习题66
题目内容

已知函数f(x)= http://picflow.koolearn.com/upload/2011-04/18/d27ee308-3ac1-4cb7-a216-187c7c66cf14/paper.files/image003.gifhttp://picflow.koolearn.com/upload/2011-04/18/d27ee308-3ac1-4cb7-a216-187c7c66cf14/paper.files/image004.gif则f[f( http://picflow.koolearn.com/upload/2011-04/18/d27ee308-3ac1-4cb7-a216-187c7c66cf14/paper.files/image005.gif)]的值是(   )

2021-08-03

A.9

B.http://picflow.koolearn.com/upload/2011-04/18/d27ee308-3ac1-4cb7-a216-187c7c66cf14/paper.files/image006.gif

C.-9

D.- http://picflow.koolearn.com/upload/2011-04/18/d27ee308-3ac1-4cb7-a216-187c7c66cf14/paper.files/image006.gif

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