高中数学代数与函数一其他练习题81
题目内容

已知函数http://picflow.koolearn.com/upload/papers/g02/20120916/201209161858253582412.png在区间(﹣2,+∞)上为增函数,则实数a的取值范围组成的集合为

2021-07-15

A.http://picflow.koolearn.com/upload/papers/g02/20120916/201209161858255081888.png

B.http://picflow.koolearn.com/upload/papers/g02/20120916/201209161858256571915.png

C.http://picflow.koolearn.com/upload/papers/g02/20120916/201209161858258641949.png

D.http://picflow.koolearn.com/upload/papers/g02/20120916/201209161858260101985.png

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