Respuesta :
The appropriate domain of the function is the set of whole numbers
What are domains
The domain of a function is the set of input values the function can take
In this case, the input values are the number of emails sent
- At minimum, the number of emails sent can be 0
- At maximum, the number of emails sent can extend to infinity i.e. as many as possible
Hence, the domain of the function is the set of whole numbers i.e. x >= 0
Read more about domain at:
https://brainly.com/question/1770447
Answer:
rational numbers
Step-by-step explanation:
If you are comparing two whole numbers, you will have a ratio, and you would want rational numbers.