Suppose $12x-36f(x)x^{2}on4,8.$ Use the Squeeze Theorem $to$ evaluate the

following $limit.$ Give $an$ exact answer $if$ the $limitis$ a number. Otherwise, enter $-$

$orif$ the $limitis$ infinite, $or$ enter DNE $if$ the $limit$ does not exist $in$ another way.

$\underset{x6}{lim}f(x)=$