The right by x=4

ou Double integrals Calculate SSo xy dA where 1) R is the square with vertices (0,0) , (1,0) , (1,1) , and (0,1) 2) R is the square with vertices (-1,0) , (1.0) , (0,-1) and (0,1) 3) R is the rectangle with vertices (0,0) , (2,0) , (0,1) and (2,1) 4) R is the triangle with vertices (0,0) , (1,0) and (1,2) 5) R is the figure in the first quadrant which is bounded below by the axis, bounded above by the parabola y = x2 ( 0