8 questions 7.3

Evaluate the integral: x3V1 + 49x2da Question Help: Video 1 Video 2 B Written Example 1 Message instructor Submit Question Question 6 0/1 pt 9 20 @ Details 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 9 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. Find the area bounded by y = V400 - 1672 )