Question

Verifique se existe Limite

Answer 1

Olá

A) $\lim_{x \to 0} 3x-1=3\cdot0-1=\boxed{-1 }$


B)  $\lim_{x \to -5} \frac{5+x}{x^2}-1= \frac{5-5}{25}-1= \frac{0}{25}-1=\boxed{-1}$


C) $\lim_{x \to 0} \frac{5+x}{x^2}-1= \frac{5+0}{0^2}-1=\infty-1=\boxed\infty}$


D) $\lim_{x \to \pi } cos(x)=cos( \pi )=\boxed{-1} \\ \\ \\ \lim_{x \to \pi } sen(x)=sen( \pi )=\boxed{0}$