vault backup: 2025-11-07 10:34:24

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Álvaro Antônio de Lacerda Rosário 2025-11-07 10:34:24 -03:00
parent d104cdbb08
commit b3095de0a6

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@ -5,7 +5,7 @@ Seja $f : A \rightarrow B$ função. Definimos **imagem** de $f$ ( $Im(f)$ ou $I
>$D(f) = A$ >$D(f) = A$
>$CD(f) = B$ >$CD(f) = B$
>$Im(f) = \{2,4,6,8,10\}$ >$Im(f) = \{2,4,6,8,10\}$
2. $g:\mathbb{R} \rightarrow \mathbb{R}$ com $y=g(x)=y^2$ 2. $g:\mathbb{R} \rightarrow \mathbb{R}$ com $y=g(x)=x^2$
> $D(g) = \mathbb{R}$ > $D(g) = \mathbb{R}$
> $CD(g) = \mathbb{R}$ > $CD(g) = \mathbb{R}$
> $Im(g) = \mathbb{R}_+ = [0, +\infty)$ > $Im(g) = \mathbb{R}_+ = [0, +\infty)$