Graph $f ( x ) = \left\{ \begin{array} { l c } 4 x + 3 & x < 0 \\ x + 3 & x \geq 0 \end{array} \right.$

Multiple Choice

Graph $f ( x ) = \left\{ \begin{array} { l c } 4 x + 3 & x < 0 \\ x + 3 & x \geq 0 \end{array} \right.$ and find the limit of $f ( x )$ as $x$ approaches 0 .

A) 15
B) 3
C) 12
D) $- 3$
E) limit does not exist