高中数学代数与函数一函数练习题80
题目内容

已知函数 http://picflow.koolearn.com/upload/2014-05/21/c8daa68d-5971-46ef-8f2f-b7361b02a22e/paper.files/image074.png,则使函数 http://picflow.koolearn.com/upload/2014-05/21/c8daa68d-5971-46ef-8f2f-b7361b02a22e/paper.files/image075.png有零点的实数 http://picflow.koolearn.com/upload/2014-05/21/c8daa68d-5971-46ef-8f2f-b7361b02a22e/paper.files/image076.png的取值范围是(  )

2021-08-04

A.http://picflow.koolearn.com/upload/2014-05/21/c8daa68d-5971-46ef-8f2f-b7361b02a22e/paper.files/image077.png

B.http://picflow.koolearn.com/upload/2014-05/21/c8daa68d-5971-46ef-8f2f-b7361b02a22e/paper.files/image078.png

C.http://picflow.koolearn.com/upload/2014-05/21/c8daa68d-5971-46ef-8f2f-b7361b02a22e/paper.files/image079.png

D.http://picflow.koolearn.com/upload/2014-05/21/c8daa68d-5971-46ef-8f2f-b7361b02a22e/paper.files/image080.png

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