高中数学代数与函数一函数练习题55
题目内容

已知函数 http://picflow.koolearn.com/upload/2012-11/23/4ed3df4f-30ed-4b56-ba6c-70bbc0ad7714/paper.files/image054.pnghttp://picflow.koolearn.com/upload/2012-11/23/4ed3df4f-30ed-4b56-ba6c-70bbc0ad7714/paper.files/image055.png上是减函数,则 http://picflow.koolearn.com/upload/2012-11/23/4ed3df4f-30ed-4b56-ba6c-70bbc0ad7714/paper.files/image056.png的取值范围是(    )

2021-07-28

A.http://picflow.koolearn.com/upload/2012-11/23/4ed3df4f-30ed-4b56-ba6c-70bbc0ad7714/paper.files/image057.png

B.http://picflow.koolearn.com/upload/2012-11/23/4ed3df4f-30ed-4b56-ba6c-70bbc0ad7714/paper.files/image058.png

C.http://picflow.koolearn.com/upload/2012-11/23/4ed3df4f-30ed-4b56-ba6c-70bbc0ad7714/paper.files/image059.pnghttp://picflow.koolearn.com/upload/2012-11/23/4ed3df4f-30ed-4b56-ba6c-70bbc0ad7714/paper.files/image060.png

D.http://picflow.koolearn.com/upload/2012-11/23/4ed3df4f-30ed-4b56-ba6c-70bbc0ad7714/paper.files/image061.png

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