8. [-/1 Points] DETAILS LARCALC11 7.4.007. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER Find the arc length of the graph of the function over the indicated interval. y = 2(x2 + 1) 3/ y 40 30 20 10 - X -1 2 3 4 5 Need Help? Read It Watch It 9. [-/3 Points] DETAILS LARCALC11 7.4.040. MY NOTES ASK YOUR TEACHER Write and evaluate the definite integral that represents the area of the surface generated by revolving the curve on the indicated interval about the x-axis. (Round your answer to three decimal places.) y = 2Vx 2 TT dx y = 2Vx 2 4 6 8 - 2 -4 Need Help? Read It Watch It