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(7) Eldominio de \( f(x)=\ln \left(x^{2}-16\right) \) es

Ask by Wood Huff. in Argentina
Nov 29,2024

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El dominio de \( f(x) = \ln(x^2 - 16) \) es \( (-\infty, -4) \cup (4, \infty) \).

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Bonus Knowledge

Para determinar el dominio de la función \( f(x)=\ln \left(x^{2}-16\right) \), debemos asegurarnos de que la expresión dentro del logaritmo sea positiva. Por lo tanto, necesitamos que \( x^{2}-16 > 0 \). Esto se resuelve al encontrar los puntos donde \( x^{2}-16=0 \), que son \( x=4 \) y \( x=-4 \). Así, el dominio se define cuando \( x < -4 \) o \( x > 4 \). Así que, el dominio de \( f(x) \) es \( (-\infty, -4) \cup (4, \infty) \). ¡Es como buscar a los verdaderos amigos de la función que siempre están positivos!

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