The table shows data collected to represent the functional relationship between the number of people attending a wedding and the cost of the wedding.

What is the domain of the function represented by the table?
All real numbers
x≥0
All integers greater than or equal to zero
{5, 10, 15, 20, 25}

The table shows data collected to represent the functional relationship between the number of people attending a wedding and the cost of the wedding What is the class=