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For the function f(x,y) = r'y (SHOW WORK) 3x + y (a) Find lim f(x,y) along any straight line y = mx. (x, y )->(0,0)

For the function f(x,y) = r'y (SHOW WORK) 3x + y (a) Find lim f(x,y) along any straight line y = mx. (x, y )->(0,0) (b) Find n f(x, y) along the curve y = x3 (x,y)->(0,0) (c) What can be said about lim f (x, y ) ? (x, y)-(0,0)

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