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Encuentra el dominio de la función \[ f(x)=\frac{\sqrt{3+2 x}}{x^{2}-100} \] y escribe tu respuesta en notación de intervalo. Dominio:

Ask by Pollard Harper. in Mexico
Mar 18,2025

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Answer

El dominio de la función es \( \left[-\frac{3}{2}, 10\right) \cup \left(10, \infty\right) \).

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Bonus Knowledge

Para encontrar el dominio de la función \( f(x)=\frac{\sqrt{3+2 x}}{x^{2}-100} \), debemos asegurarnos de que tanto el numerador como el denominador sean válidos. Primero, la raíz cuadrada \( \sqrt{3 + 2x} \) requiere que \( 3 + 2x \geq 0 \), lo que nos da \( x \geq -\frac{3}{2} \). Segundo, el denominador \( x^{2} - 100 \) no puede ser igual a cero, así que necesitamos resolver \( x^{2} - 100 = 0 \), lo que nos da \( x = 10 \) y \( x = -10 \). Así que debemos excluir estos valores. Uniendo toda la información, el dominio de \( f(x) \) es \( [-\frac{3}{2}, -10) \cup (-10, 10) \cup (10, \infty) \). Dominio: \( [-\frac{3}{2}, -10) \cup (-10, 10) \cup (10, \infty) \)

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