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已知二次函数的图象如右图所示,则其导函数的图象大致形状是 ( )

已知二次函数6ec8aac122bd4f6e的图象如右图所示,则其导函数6ec8aac122bd4f6e的图象大致形状是

(    )

说明: 6ec8aac122bd4f6e

说明: 6ec8aac122bd4f6e

 

B 【解析】略
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