高中数学代数与函数一其他练习题110
题目内容

定义在R上的函数f(x)满足f(4)=1, http://picflow.koolearn.com/upload/papers/20140824/20140824030239763481.png为函数f(x)的导函数,已知 http://picflow.koolearn.com/upload/papers/20140824/20140824030239763481.png的图像如图所示,若两个正数a,b满足f (2a+b)<1,则 http://picflow.koolearn.com/upload/papers/20140824/20140824030239778490.png的取值范围是(    ) http://picflow.koolearn.com/upload/papers/20140824/201408240302398252680.jpg

2021-07-19

A.http://picflow.koolearn.com/upload/papers/20140824/20140824030239841531.png

B.http://picflow.koolearn.com/upload/papers/20140824/20140824030239872542.png

C.http://picflow.koolearn.com/upload/papers/20140824/20140824030239903865.png

D.http://picflow.koolearn.com/upload/papers/20140824/20140824030239919527.png

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