Consider the function y = 4x + 3 between the limits of x = O and x = 7. а) Find the arclength L of this curve: L = Round your answer to 3 significant figures. b) Find the area of the surface of revolution, A , that is obtained when the curve is rotated by 27 radians about the x-axis. Do not include the surface areas of the disks that are formed at x = 0 and x = 7. A = Round your answer to 3 significant figures.

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