1. Let R denote the region in the first quadrant of R2 bounded by the curves y = vr and y ='. Determine the volume of the solid that lies above the region R and below the graph of f(x, y) = 3ry. Include a labelled sketch of the region R.-4 Co N (1, 1 ) -3 -2 -1 0 2 3 4 5 6 7 8 9 (0, 0) -1-f (x, y) = 3xy2 + Input... 10 11 - W - in - 37 -10 -+ - - -1- -5 - 1