高中数学代数与函数一函数练习题59
题目内容

http://picflow.koolearn.com/upload/2014-10/23/8042cdf0-a0fa-469e-b214-a9c3a88376e7/paper.files/image067.pnghttp://picflow.koolearn.com/upload/2014-10/23/8042cdf0-a0fa-469e-b214-a9c3a88376e7/paper.files/image068.png上是减函数,则 http://picflow.koolearn.com/upload/2014-10/23/8042cdf0-a0fa-469e-b214-a9c3a88376e7/paper.files/image054.png的取值范围是(   )

2021-08-03

A.http://picflow.koolearn.com/upload/2014-10/23/8042cdf0-a0fa-469e-b214-a9c3a88376e7/paper.files/image069.png

B.http://picflow.koolearn.com/upload/2014-10/23/8042cdf0-a0fa-469e-b214-a9c3a88376e7/paper.files/image068.png

C.http://picflow.koolearn.com/upload/2014-10/23/8042cdf0-a0fa-469e-b214-a9c3a88376e7/paper.files/image070.png

D.http://picflow.koolearn.com/upload/2014-10/23/8042cdf0-a0fa-469e-b214-a9c3a88376e7/paper.files/image071.png

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