. . . WITHNWA 1...2...3/4 .5..6..7.8. -4 Figure for 6464. Let g(x) = fxt) dt, where f is the inction whose graph is shown in the gure. (a) Estimate 3(0), 3(2), 3(4), 3(6), and 3(8). (13) Find the largest open interval on which g is increasing. Find the largest open interval on which g is decreasing. (c) Identify any extrema of g. ((1) Sketch a rough graph of g