B

9000014206

Parte: 
B
Determina el dominio \(\mathrm{Dom}(f)\) y el rango \(\mathop{\mathrm{Ran}}(f)\) de la función \(f(x) = \frac{2+x} {x+4}\).
\begin{align*} \mathrm{Dom}(f) &= (-\infty ,-4)\cup (-4,\infty ),\\ \mathop{\mathrm{Ran}}(f) &= (-\infty ,1)\cup (1,\infty ) \end{align*}
\begin{align*} \mathrm{Dom}(f) &= (-\infty ,4)\cup (4,\infty ), \\ \mathop{\mathrm{Ran}}(f) &= (-\infty ,1)\cup (1,\infty ) \end{align*}
\begin{align*} \mathrm{Dom}(f) &= (-\infty ,2)\cup (2,\infty ),\\ \mathop{\mathrm{Ran}}(f) &= (-\infty ,4)\cup (4,\infty ) \end{align*}
\begin{align*} \mathrm{Dom}(f) &= (-\infty ,4)\cup (4,\infty ), \\ \mathop{\mathrm{Ran}}(f) &= (-\infty ,2)\cup (2,\infty ) \end{align*}