高中数学代数与函数一函数练习题88
题目内容

如图,一个正五角星薄片(其对称轴与水面垂直)匀速地升出水面,记t时刻五角星露出水面部分的图形面积为S(t)(S(0)=0),则导函数y=S′(t)的图象大致为http://picflow.koolearn.com/upload/papers/g02/20120529/201205291533355773769.png

2021-08-04

A.http://picflow.koolearn.com/upload/papers/g02/20120529/201205291532545491540.png

B.http://picflow.koolearn.com/upload/papers/g02/20120529/201205291532546301634.png

C.http://picflow.koolearn.com/upload/papers/g02/20120529/201205291532546751488.png

D.http://picflow.koolearn.com/upload/papers/g02/20120529/201205291532547201541.png

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