高中数学代数与函数一函数练习题43
题目内容

http://picflow.koolearn.com/upload/2010-10/15/12a65ab0-91b1-4d35-b5fd-12f9e01e1931/paper.files/image028.gifhttp://picflow.koolearn.com/upload/2010-10/15/12a65ab0-91b1-4d35-b5fd-12f9e01e1931/paper.files/image029.gif是偶函数,当 http://picflow.koolearn.com/upload/2010-10/15/12a65ab0-91b1-4d35-b5fd-12f9e01e1931/paper.files/image030.gif时, http://picflow.koolearn.com/upload/2010-10/15/12a65ab0-91b1-4d35-b5fd-12f9e01e1931/paper.files/image031.gif,且当 http://picflow.koolearn.com/upload/2010-10/15/12a65ab0-91b1-4d35-b5fd-12f9e01e1931/paper.files/image032.gif时, http://picflow.koolearn.com/upload/2010-10/15/12a65ab0-91b1-4d35-b5fd-12f9e01e1931/paper.files/image033.gif恒成立,则 http://picflow.koolearn.com/upload/2010-10/15/12a65ab0-91b1-4d35-b5fd-12f9e01e1931/paper.files/image034.gif的最小值是(   )

2021-07-26

A.http://picflow.koolearn.com/upload/2010-10/15/12a65ab0-91b1-4d35-b5fd-12f9e01e1931/paper.files/image035.gif

B.http://picflow.koolearn.com/upload/2010-10/15/12a65ab0-91b1-4d35-b5fd-12f9e01e1931/paper.files/image036.gif

C.1

D.http://picflow.koolearn.com/upload/2010-10/15/12a65ab0-91b1-4d35-b5fd-12f9e01e1931/paper.files/image037.gif

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