Question $1$

For $f(x)=\frac{2x^2+7x-4}{x^2+x-2}$

$\underset{x-2^{-}}{lim}f(x)=$ Blank $1$

$\underset{x-2^{+}}{lim}f(x)=$ Blank $2$

$\underset{x{1}^{-}}{lim}f(x)=$ Blank $3$

$\underset{x{1}^{+}}{lim}f(x)=$ Blank $4$

Blank $1$

Blank $2$ Add your answer

Blank $3$ Add your answer

Blank $4$ Add your answer