Consider the vector field F(x, y, z) = (4x, 7z, 5y). Evaluate the line integral [C F - dr, where C is the intersection curve of the paraboloid f(x, y) = 9 x2 y2 and the cylinder x2 + y2 = 4 oriented counterclockwise when viewed from the positive 2 axis. Answer fCF-dr = Check