Question

Determine o Dominio da Funcao
f(x)=2x/(x^2-49)+x/√(x-15)

Answer 1

Resposta:

$2\cdot \frac{x}{x^2-49}+\frac{x}{\sqrt{x-15}}\\\\=\frac{2x}{x^2-49}+\frac{x}{\sqrt{x-15}}\\\\=\frac{2x}{x^2-49}+\frac{x}{\sqrt{x-15}}$