Question: 2. Let f: R2 + R be the function f(x, y) = (x - y)3. Is f one-to-one? Prove or disprove it

2. Let f: R2 + R be the function f(x, y)

2. Let f: R2 + R be the function f(x, y) = (x - y)3. Is f one-to-one? Prove or disprove it

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