Question number 7. Which of the following is true about the graph of ne) : :17 l 5111(2 :13) l 4 on the interval [0, 7r]? 1r 27r Of(m) is increasing on the interval (E, ?). O f(m) is decreasing on the interval (0, 1r). 27r 0 at) is concave up on the interval (0, F) . 0 x) has a point of inflection at the point (0, 4). Of($) hasa local maximum at the point (g, g | g l 4)