高中数学代数与函数一函数练习题48
题目内容

http://picflow.koolearn.com/upload/2013-07/04/22519dfb-c4bf-4206-a402-b8b68adea8be/paper.files/image046.png是定义在 http://picflow.koolearn.com/upload/2013-07/04/22519dfb-c4bf-4206-a402-b8b68adea8be/paper.files/image047.png上的奇函数,且当 http://picflow.koolearn.com/upload/2013-07/04/22519dfb-c4bf-4206-a402-b8b68adea8be/paper.files/image048.png时, http://picflow.koolearn.com/upload/2013-07/04/22519dfb-c4bf-4206-a402-b8b68adea8be/paper.files/image049.png.若对任意的 http://picflow.koolearn.com/upload/2013-07/04/22519dfb-c4bf-4206-a402-b8b68adea8be/paper.files/image050.png,不等式 http://picflow.koolearn.com/upload/2013-07/04/22519dfb-c4bf-4206-a402-b8b68adea8be/paper.files/image051.png恒成立,则实数 http://picflow.koolearn.com/upload/2013-07/04/22519dfb-c4bf-4206-a402-b8b68adea8be/paper.files/image052.png的取值范围是(     )

2021-07-28

A.http://picflow.koolearn.com/upload/2013-07/04/22519dfb-c4bf-4206-a402-b8b68adea8be/paper.files/image053.png

B.http://picflow.koolearn.com/upload/2013-07/04/22519dfb-c4bf-4206-a402-b8b68adea8be/paper.files/image054.png

C.http://picflow.koolearn.com/upload/2013-07/04/22519dfb-c4bf-4206-a402-b8b68adea8be/paper.files/image055.png

D.http://picflow.koolearn.com/upload/2013-07/04/22519dfb-c4bf-4206-a402-b8b68adea8be/paper.files/image056.png

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