Let f 1 1 2 3 0 ndash 1 ndash 1 ndash 3 be a function from Z to Z defi...........

Let f = {(1, 1), (2, 3), (0, –1), (–1, –3)} be a function from Z to Z defined by f(x) = ax + b, for some integers a, b. Determine a, b. (3 marks)

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