高中数学代数与函数一函数练习题69
题目内容

已知函数 http://picflow.koolearn.com/upload/2012-07/27/3473045d-15cb-4f28-896c-691a55394f14/paper.files/image031.png,在 http://picflow.koolearn.com/upload/2012-07/27/3473045d-15cb-4f28-896c-691a55394f14/paper.files/image032.png上是增函数,则实数 a的取值范围是(   )

2021-08-03

A.http://picflow.koolearn.com/upload/2012-07/27/3473045d-15cb-4f28-896c-691a55394f14/paper.files/image033.png

B.http://picflow.koolearn.com/upload/2012-07/27/3473045d-15cb-4f28-896c-691a55394f14/paper.files/image034.png

C.http://picflow.koolearn.com/upload/2012-07/27/3473045d-15cb-4f28-896c-691a55394f14/paper.files/image035.png

D.http://picflow.koolearn.com/upload/2012-07/27/3473045d-15cb-4f28-896c-691a55394f14/paper.files/image036.png

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