The integral represents the volume of a solid of revolution. 2n (a) Identify the plane region that is revolved. O plane region bounded by y = x, O plane region bounded by y = x, O plane region bounded by y = x/2, y = o, O plane region bounded by y = x, O plane region bounded by x = y, O plane region bounded by y = x, y = 0, x- 0, x = 2 y = 0, x = 0, x= 2 x = 0, x = 2 y = 4, V = 0. x = 0 x- 0, y-0, y- 2 y = 4, y = 0, (b) Identify the axis of revolution. O revolved around the line y = 2 O revolved about the y-axis O revolved around the line y = 4 O revolved around the line x = 2 O revolved about the x-axis O revolved around the line x = 4

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