Does the Table Describe a Function? Input Value A)No
B)Yes

Multiple Choice

Does the table describe a function? Input value
$$\begin{array} { | l | l | l | l | l | l | } \hline \text { Input value } & 2001 & 2002 & 2003 & 2004 & 2005 \\\hline \text { Output value } & 20 & 50 & 20 & 40 & 30 \\\hline\end{array}$$

A) No
B) Yes