高中数学代数与函数一函数练习题59
题目内容

已知函数 http://picflow.koolearn.com/upload/2014-09/02/92ae3a0d-6c46-4eb5-9018-26596c60bc30/paper.files/image061.pnghttp://picflow.koolearn.com/upload/2014-09/02/92ae3a0d-6c46-4eb5-9018-26596c60bc30/paper.files/image062.png,则下列结论正确的是(  )

2021-08-03

A.当x=http://picflow.koolearn.com/upload/2014-09/02/92ae3a0d-6c46-4eb5-9018-26596c60bc30/paper.files/image063.pnghttp://picflow.koolearn.com/upload/2014-09/02/92ae3a0d-6c46-4eb5-9018-26596c60bc30/paper.files/image061.png取最大值

B.当x=http://picflow.koolearn.com/upload/2014-09/02/92ae3a0d-6c46-4eb5-9018-26596c60bc30/paper.files/image063.pnghttp://picflow.koolearn.com/upload/2014-09/02/92ae3a0d-6c46-4eb5-9018-26596c60bc30/paper.files/image061.png取最小值

C.当x=-http://picflow.koolearn.com/upload/2014-09/02/92ae3a0d-6c46-4eb5-9018-26596c60bc30/paper.files/image063.pnghttp://picflow.koolearn.com/upload/2014-09/02/92ae3a0d-6c46-4eb5-9018-26596c60bc30/paper.files/image061.png取最大值

D.当x=-http://picflow.koolearn.com/upload/2014-09/02/92ae3a0d-6c46-4eb5-9018-26596c60bc30/paper.files/image063.pnghttp://picflow.koolearn.com/upload/2014-09/02/92ae3a0d-6c46-4eb5-9018-26596c60bc30/paper.files/image061.png取最小值

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