高中数学代数与函数一其他练习题81
题目内容

函数http://picflow.koolearn.com/upload/papers/g02/20120705/20120705202508754443.png在区间http://picflow.koolearn.com/upload/papers/g02/20120705/20120705202508809473.png内函数的导数为正,且http://picflow.koolearn.com/upload/papers/g02/20120705/20120705202508865454.png≤0,则函数http://picflow.koolearn.com/upload/papers/g02/20120705/20120705202508920443.pnghttp://picflow.koolearn.com/upload/papers/g02/20120705/20120705202508976473.png 内有

2021-07-15

A.http://picflow.koolearn.com/upload/papers/g02/20120705/20120705202509030443.png<0

B.http://picflow.koolearn.com/upload/papers/g02/20120705/20120705202509085443.png>0

C.http://picflow.koolearn.com/upload/papers/g02/20120705/20120705202509141443.png = 0

D.无法确定

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