does the table describe a function input value 2001200220032

does the table describe a function input value 2001,2002,2003,2004,2005 output value 30,60,30,50,40

Solution

A function is a set of ordered pairs in which eachx-element has only ONE y-element associated with it

2001,2002,2003,2004,2005 output value 30,60,30,50,40

There are not two output values having same input value.

So, it is a function