7) Let R be the region enclosed by the parabola y = x2-5x + 7, and the line y =-x 4 (3 pt.) i) Sketch the region R and find the area of the region R ii) Set up the integral for the volume of the solid generated by revolving the region R about a) the x-axis b) the line y=4 c) y-axis d) the line x = 4