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Mathematics, 19.12.2019 04:31, BeautyxQueen
Let s be the set of all strings in 0’s and 1’s, and define a function f : s →z nonneg as follows: for all strings s in s, f(s) = the number of 1’s in s.
a. what is f(001000)? f(111001)? f(10101)? f(0100)?
b. is f one-to-one? prove or give a counterexample.
c. is f onto? prove or give a counterexample.
d. is f a one-to-one correspondence? if so, find f−1 .
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Answers: 3
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Let s be the set of all strings in 0’s and 1’s, and define a function f : s →z nonneg as follows:...
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