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Razona el siguiente problema:
Sean las funciones: [tex]\[
\begin{array}{ll}
f(x)=\frac{x-1}{x+3} & g(x)=\frac{2+\sqrt{x}}{x^2-4} \\
h(x)=\sqrt{x-1} & j(x)=\frac{1-\sqrt{x^3}}{x^2+1}
\end{array}
\][/tex]
Calcula las siguientes funciones y determina sus dominios: a. [tex]\(f+g\)[/tex]
b. [tex]\(g-h\)[/tex]
c. [tex]\((f+h) \cdot j\)[/tex]
d. [tex]\(\frac{1}{f}\)[/tex]
e. [tex]\(\frac{9}{h}\)[/tex]
f. [tex]\(\frac{h}{g}\)[/tex]
Sagot :
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