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Question
evaluar: g ( f ( 7 ) ) y = f(x) y = g(x)
Step1: Encontrar $f(7)$ en el gráfico de $y = f(x)$
Al observar el gráfico de $y = f(x)$, cuando $x = 7$, $y=f(7)=2$.
Step2: Encontrar $g(f(7))$
Sustituimos $f(7) = 2$ en $g(x)$. Mirando el gráfico de $y = g(x)$, cuando $x = 2$, $y = g(2)=3$.
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