Q$2(5$ points$)$

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Which function below has the same limit as $x$ goes to $-1$ as the one below

$\underset{x-1}{lim}(\frac{7}{x(x1)}\frac{7}{x1})?$

$f(x)=\frac{7}{x1}$

$f(x)=-\frac{14}{x-1}$

$f(x)=\frac{7}{x}$

$f(x)=-7x$

None of the above are correct.