题目内容
对于函数
,若
都是某一三角形的三边长,则称
为“可构造三角形函数”.以下说法正确的是( )
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A.![]() |
B.“可构造三角形函数”一定是单调函数; |
C.![]() |
D.若定义在![]() ![]() ![]() ![]() ![]() |
D.
试题分析:本题考查了对新定义“可构造三角形函数”的判定,要结合函数值域,三角形知识进行判别.A选项:
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