【单选题】在数据流图中,有名字及方向的成分是( )
【判断题】If f'(x)>0 for all x in [a, b], then f attains its maximum value on [a, b] at b.
【判断题】If f is an increasing differentiable function on an interval I, then f'(x)>0 for all x in I.
【判断题】If f'(x)>0, for all x in I, then f is increasing on I.