Answer:
Domain of the function is the set of whole numbers.
Step-by-step explanation:
The given function is
[tex]c=45+3.75m[/tex]
where, c represents the cost of the yearly subscription and m is the number of magazines.
We need to find the domain of the function.
Domain is the set of inputs. In other words domain of the function is the set of m values.
Number of magazines always a whole number (0,1,2,....) because the number of magazines can not be a decimal or negative value.
Therefore, the domain of the function is the set of whole numbers.
