高中数学代数与函数一函数练习题62
题目内容

二次函数 http://picflow.koolearn.com/upload/2015-01/28/3adfdc68-9d79-45c5-9631-042785355e14/paper.files/image066.pnghttp://picflow.koolearn.com/upload/2015-01/28/3adfdc68-9d79-45c5-9631-042785355e14/paper.files/image067.png上单调递增,则实数 http://picflow.koolearn.com/upload/2015-01/28/3adfdc68-9d79-45c5-9631-042785355e14/paper.files/image021.png的取值范围是( )

2021-08-03

A.http://picflow.koolearn.com/upload/2015-01/28/3adfdc68-9d79-45c5-9631-042785355e14/paper.files/image068.png

B.http://picflow.koolearn.com/upload/2015-01/28/3adfdc68-9d79-45c5-9631-042785355e14/paper.files/image069.png

C.http://picflow.koolearn.com/upload/2015-01/28/3adfdc68-9d79-45c5-9631-042785355e14/paper.files/image070.png

D.http://picflow.koolearn.com/upload/2015-01/28/3adfdc68-9d79-45c5-9631-042785355e14/paper.files/image067.png

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