$\text { Let } f ( x ) = \left\{ \begin{array} { l l } 4 - x , & x \neq 1 \\0 , & x = 1\end{array} \right. \text {. }$

Multiple Choice

$\text { Let } f ( x ) = \left\{ \begin{array} { l l } 4 - x , & x \neq 1 \\0 , & x = 1\end{array} \right. \text {. }$ Determine the following limit. (Hint: Use the graph to calculate the limit.)
$\lim _ { x \rightarrow 1 } f ( x )$

A) 5
B) 4
C) 3
D) 0
E) does not exist