29. DETAILS MY NOTES ASK YOUR TEACHER Cost Function. Suppose the cost to manufacture a product is given by ((x , v ) = In( xx 2 ) The domain of f(x,y) is O the set of all points (x,y) in the xy-plane where x 2 0 and y 2 0 O the set of all points (x,y) in the xy-plane where y 2 0 O none of the other answers O the set of all points (x,y) in the xy-plane O the set of all points (x,y) in the xy-plane where x 2 0 Submit