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f: N--> N defined by f(x) = x-1, x > 2 and f(1) = f(2)= 1. Prove: f(x) is on to but not one-one.
f: N--> N defined by f(x) = x-1, x > 2 and f(1) = f(2)= 1. Prove: f(x) is on to but not one-one.
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Calculus
Authors: Dale Varberg, Edwin J. Purcell, Steven E. Rigdon
9th edition
131429248, 978-0131429246
