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

Question

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

Quizplus · Accepted Answer

A relation is a function if each input has exactly one output. In this table, each input year has a unique output value, so it describes a function.

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

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