functions are there? How many of these functions are injective? How many are surjective? How many are bijective? 18. Prove that the function f:N-Z defined as f(n)= (-1(2n-1)+1 is bijective. 10 Rusu c. om-10.

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ChapterP: Prerequisites
SectionP.6: Analyzing Graphs Of Functions
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number 18 only please
functions are there? How many of these functions are injective? How many are
surjective? How many are bijective?
18. Prove that the function f:N-Z defined as f(n)= (-1)"(2n-1)+1 is bijective.
19. Prove that f: NxN-N defined as f(m,n) = 2m-1(2n-1) is bijective.
Transcribed Image Text:number 18 only please functions are there? How many of these functions are injective? How many are surjective? How many are bijective? 18. Prove that the function f:N-Z defined as f(n)= (-1)"(2n-1)+1 is bijective. 19. Prove that f: NxN-N defined as f(m,n) = 2m-1(2n-1) is bijective.
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