Match each of the functions (a)-(c) with the corresponding gradient vector field from those in (1)-(VI). Enter your answer as upper case roman numerals: I, II, III, etc. |(a) f(x, y) = x - cos(y) |(b) f(x, y) = (x − 2)² (y-2)/5 (c) f(x, y) = sin(x) · cos(y) (click on an image to enlarge it) IV V VI

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