Find the length of the arc of the curve y = In x over the interval: [1, 8] . Round the answer to four decimal places. Question Help: Video B Written Example Message instructor Submit Question Question 7 0/1 pt ) 20 @ Details Find the surface area of the solid generated by revolving the region bounded by the graphs of y = x , y = 0, x = 0 and x = V7 about the x-axis. Round the answer to four decimal places. Question Help: @Video B Written Example Message instructor Submit Question Question 8 0/1 pt ) 20 0 Detail 4 Find the area bounded by y = ,