Discrete Maths Questionn Consider the following two sets A & B: A = {4, 8, 12, 16,...) B = {1,3,5,7,9,...} Let f be a function from Z x Z to Z such that f(m, n) = m² - na. i) Show that every element of the set A has a preimage under the function f. Type/Insert your answer here! ii) Show that every element of the set B has a preimage under the function f. Type/Insert your answer here!

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