Fuentes Vaughan
09/05/2024 · Senior High School
Razonamiento Determina \( D(f) \) y \( D(g) \) dadas las funciones \( f(x)=\frac{6 x}{x^{2}+x-2} \) y \( g(x)=\sqrt{x-3} \) Si es posible calcula los valores de \( (f \circ g)(12),(f \circ g)(4) \), \( (g \circ f)(3) \) y \( (g \circ f)(2) \).
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El dominio de \( f \) es \( \mathbb{R} \setminus \{-2, 1\} \), el dominio de \( g \) es \( [3, \infty) \), \( (f \circ g)(12) = \frac{9}{5} \), \( (f \circ g)(4) \) no está definido, \( (g \circ f)(3) \) no está definido, \( (g \circ f)(2) = 0 \).
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