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Resuelve \( f(x)=5^{x}-3 \)

Ask by Rowe Bernard. in Mexico
Nov 01,2024

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Para resolver \( f(x) = 5^x - 3 \), iguala la función a cero, toma el logaritmo natural de ambos lados y despeja \(x\). La solución es \( x \approx 0.683 \).

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Bonus Knowledge

Para encontrar las raíces de la función \( f(x) = 5^{x} - 3 \), debemos resolver la ecuación \( 5^{x} = 3 \). Al tomar logaritmos en ambas partes, obtenemos \( x = \log_{5}(3) \). Utilizando la regla del cambio de base, eso se puede calcular como \( x = \frac{\log(3)}{\log(5)} \), lo cual nos dará un valor numérico aproximado de \( x \approx 0.6826 \). Además, al graficar la función \( f(x) \), podemos observar que, a medida que \( x \) aumenta, \( f(x) \) se incrementa rápidamente debido a la naturaleza exponencial de la función \( 5^{x} \). Esto significa que solo hay un punto donde la gráfica cruza el eje \( x \), reafirmando que hay una única solución positiva para esta ecuación.

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