Problem

ATIVIDADE 04: Dados os conjuntos $A=\{3,4,5,6\}$ e $B=\{7,9,11,13\}$ e a função $f: A \rightarrow B$ definida por $f(x)=2 x+1$, determine: a) O diagrama de flechas da função; b) O domínio da função; c) O contradomínio da função; d) A imagem da função;

Solution

Step 1 :\(A = \{3, 4, 5, 6\}\)

Step 2 :\(B = \{7, 9, 11, 13\}\)

Step 3 :Arrow Diagram: \(\{(3, 7), (4, 9), (5, 11), (6, 13)\}\)

Step 4 :Domain: \(\boxed{\{3, 4, 5, 6\}}\)

Step 5 :Codomain: \(\boxed{\{7, 9, 11, 13\}}\)

Step 6 :Image: \(\boxed{\{7, 9, 11, 13\}}\)

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Source: https://solvelyapp.com/problems/32119/

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