Question

A function is created to represent the cost per person to attend the school dance. What restrictions would be made to the domain?
A.) The domain would only include integers.
B.) The domain would only include positive numbers.
C.) The domain would only include positive integers.
D.) The domain would include all real numbers.

Answer 1

The domain of the function that will be derived from the given situation should be restricted to include only the positive integers. This is because we can count the 1/2 or 2/3 or any fraction of a person. Further, there are also no negative number of persons.