This function is given by 8ry (x, y) + (0, 0) f(x, y) 0, (x, y) = (0,0). (a) Find a formula for the single variable function f(0, y). f(0, y) What is f(0,0) for this function? f(0, 0) Find its limit as y → 0: lim f(0, y)

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