1. (10 points) Let F(x, y) = (x y)j. a. Sketch F(x, y) b. On your...

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1. (10 points) Let F(x, y) = (x y)j. a. Sketch F(x, y) b. On your diagram, sketch three oriented curves: i. a with F(x, y) d > 0 ii. with F(x, y). dr = 0 iii. y with f F(x, y). dr < 0 1. (10 points) Let F(x, y) = (x y)j. a. Sketch F(x, y) b. On your diagram, sketch three oriented curves: i. a with F(x, y) d > 0 ii. with F(x, y). dr = 0 iii. y with f F(x, y). dr < 0