高中数学代数与函数一函数练习题59
题目内容

已知函数 http://picflow.koolearn.com/upload/2014-10/29/5f0d0513-50d0-4bcf-b980-b7d6ebec276e/paper.files/image083.pnghttp://picflow.koolearn.com/upload/2014-10/29/5f0d0513-50d0-4bcf-b980-b7d6ebec276e/paper.files/image007.png上为减函数,则实数 http://picflow.koolearn.com/upload/2014-10/29/5f0d0513-50d0-4bcf-b980-b7d6ebec276e/paper.files/image084.png的取值范围是(  )

2021-08-03

A.http://picflow.koolearn.com/upload/2014-10/29/5f0d0513-50d0-4bcf-b980-b7d6ebec276e/paper.files/image085.png

B.http://picflow.koolearn.com/upload/2014-10/29/5f0d0513-50d0-4bcf-b980-b7d6ebec276e/paper.files/image086.png

C.http://picflow.koolearn.com/upload/2014-10/29/5f0d0513-50d0-4bcf-b980-b7d6ebec276e/paper.files/image087.png

D.http://picflow.koolearn.com/upload/2014-10/29/5f0d0513-50d0-4bcf-b980-b7d6ebec276e/paper.files/image088.png

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