Write out all functions f: {1,2} {a, b, c, d) (in two-line notation). How many functions are there? How many are surjective? How many are injective? How many are bijective?

Trigonometry (MindTap Course List)
10th Edition
ISBN:9781337278461
Author:Ron Larson
Publisher:Ron Larson
ChapterP: Prerequisites
SectionP.6: Analyzing Graphs Of Functions
Problem 4ECP
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Write out all functions f: {1,2}{a, b, c, d} (in two-line notation).
How many functions are there?
How many are surjective?
How many are injective?
How many are bijective?
Transcribed Image Text:Write out all functions f: {1,2}{a, b, c, d} (in two-line notation). How many functions are there? How many are surjective? How many are injective? How many are bijective?
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