Approximate the given limit both numerically and graphically.
$f(x) = \left\lbrace\begin{array}{ll} x + 8 & \quad x \leq 4, \\ 3x - 2 & \quad x > 4 \end{array}\right.$
$\lim\limits_{x \to 4} f(x) =$
(Enter DNE if the limit doesn't exist)

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