高中数学代数与函数一函数练习题64
题目内容

设函数 http://picflow.koolearn.com/upload/2010-11/14/ed8200fd-5346-4fbc-8677-95fb17cef089/paper.files/image043.gif的定义域分别为 http://picflow.koolearn.com/upload/2010-11/14/ed8200fd-5346-4fbc-8677-95fb17cef089/paper.files/image044.gif,且 http://picflow.koolearn.com/upload/2010-11/14/ed8200fd-5346-4fbc-8677-95fb17cef089/paper.files/image045.gifhttp://picflow.koolearn.com/upload/2010-11/14/ed8200fd-5346-4fbc-8677-95fb17cef089/paper.files/image046.gif的真子集.若对任意的http://picflow.koolearn.com/upload/2010-11/14/ed8200fd-5346-4fbc-8677-95fb17cef089/paper.files/image047.gif,都有 http://picflow.koolearn.com/upload/2010-11/14/ed8200fd-5346-4fbc-8677-95fb17cef089/paper.files/image048.gif,则称 http://picflow.koolearn.com/upload/2010-11/14/ed8200fd-5346-4fbc-8677-95fb17cef089/paper.files/image049.gifhttp://picflow.koolearn.com/upload/2010-11/14/ed8200fd-5346-4fbc-8677-95fb17cef089/paper.files/image050.gifhttp://picflow.koolearn.com/upload/2010-11/14/ed8200fd-5346-4fbc-8677-95fb17cef089/paper.files/image046.gif上的一个“延拓函数”.已知函数http://picflow.koolearn.com/upload/2010-11/14/ed8200fd-5346-4fbc-8677-95fb17cef089/paper.files/image051.gif,若 http://picflow.koolearn.com/upload/2010-11/14/ed8200fd-5346-4fbc-8677-95fb17cef089/paper.files/image052.gifhttp://picflow.koolearn.com/upload/2010-11/14/ed8200fd-5346-4fbc-8677-95fb17cef089/paper.files/image053.gifhttp://picflow.koolearn.com/upload/2010-11/14/ed8200fd-5346-4fbc-8677-95fb17cef089/paper.files/image007.gif上的一个“延拓函数”,且 http://picflow.koolearn.com/upload/2010-11/14/ed8200fd-5346-4fbc-8677-95fb17cef089/paper.files/image052.gif是偶函数,则函数 http://picflow.koolearn.com/upload/2010-11/14/ed8200fd-5346-4fbc-8677-95fb17cef089/paper.files/image052.gif的解析式是(   )

2021-08-03

A.http://picflow.koolearn.com/upload/2010-11/14/ed8200fd-5346-4fbc-8677-95fb17cef089/paper.files/image054.gif

B.http://picflow.koolearn.com/upload/2010-11/14/ed8200fd-5346-4fbc-8677-95fb17cef089/paper.files/image055.gif

C.http://picflow.koolearn.com/upload/2010-11/14/ed8200fd-5346-4fbc-8677-95fb17cef089/paper.files/image056.gif

D.http://picflow.koolearn.com/upload/2010-11/14/ed8200fd-5346-4fbc-8677-95fb17cef089/paper.files/image057.gif

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