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Find `int int_R 2 x dA` over the region `R = {(x,y) | 0 le x le 3, 0 le y le 2}` by indentifying it as the volume of a solid
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Box 1: Enter your answer as a number (like 5, -3, 2.2172) or as a calculation (like 5/3, 2^3, 5+4)
Enter DNE for Does Not Exist, oo for Infinity
18