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Find the four second partial derivatives and evaluate each at the given point. Function Point f(x, y) = In(x - y) (0, -7) (xx (0, - 7 ) = xy (0, -7) = yx (0, - 7) = vy (0, - 7) = Need Help? Read It Watch It Talk to a Tutor -/1 POINTS LARAPCALC10 7.4.064. 0/12 Submissions Used Consider the Cobb-Douglas production function f(x, y) = 100x0.85 0.15 When x = 1400 and y = 700, find the following. (Round your answers to two decimal (a) the marginal productivity of labor, Of/8x (b) the marginal productivity of capital, Of/ay Need Help? Read It Watch It Talk to