1. [2 marks] Consider the following vector field plot. Arrow lengths may have been re-scaled. -1 -2 - 2 Which of the following vector fields best corresponds to the plot? (A) F(x, y) = (x+ y, -2) (B) F ( x , y ) = (2 - y , -20 ) (C ) F (x ,y ) = (- 2+ y , 20 ) (D) F(x, y) = (-2-y,2) (E) None of (A)-(D) 1