Which of the following vector fields matches the plot below? -2 -1 1 -D1 -2 1 F(2, y) = i - 7 %3D 1 F(x, y) = ,ri + %3D F(z,9) =i+i F(z,v) = -i 1 1 %3D | 2 1/4 1/7

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