6. Determine the area between the curve y = x-6x+8 and the x-axis on the interval [0,4]. Sketch a graph of the region involved and show all of your work. 7. Determine the value from the graph shown. You may assume that the middle section is a semicircle and the left and right portions of the graph are line segments. -2 0 -2 2 a) f(x)dx b) ff(x)dx c) f(x)dx d) f(x)dx e) Determine the total area between the curve y = f(x) on the interval [-6, 5].