In 44–55 indicate which of the functions in the referenced
Chapter 7, Problem 48E(choose chapter or problem)
Problem 48E
In 44–55 indicate which of the functions in the referenced exercise are one-to-one correspondences. For each function that is a one-to-one correspondence, find the inverse function.
Exercise 12a
Reference:
a. Define F: Z → Z by the rule F(n) = 2 − 3n, for all integers n.
(i) Is F one-to-one? Prove or give a counterexample.
(ii) Is F onto? Prove or give a counterexample
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