Determine whether f: Z x Z Z is onto if a) f(m, n) =2m -n.

Chapter 2, Problem 2.3.14

(choose chapter or problem)

Determine whether f: Z x Z Z is onto if a) f(m, n) =2m -n. b) f(m, n) = m2 -n 2 c) f(m, n) = m + n + 1. d) f(m, n) = Iml - Inl. e) f(m, n) = m2 - 4.

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