Unformatted text preview: B to A ? Both? Neither? • f = { (1 , 3) , (3 , 2) } . • g = { (1 , 1) , (1 , 3) , (2 , 3) } . • h = { (1 , 3) , (3 , 3) , (2 , 3) } . Now, go back through the functions on this handout. Which ones are injective? Which ones are surjective? Draw arrow diagrams of “what they do”. 1...
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 Fall '08
 Weissman
 Sets, Inverse function, 2m, Injective function, Martin H. Weissman

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