Question

Jen has collected information about the students in her class and the month they were born.
Which of the following statements would be true about this information?
a) It is both a relation and a function.
b) It is a relation but not a function.
c) It is not a relation, but it is a function.
d) It is neither a relation nor a function.

Answer 1

domain = students
month = range
a student can only have one birthday
one or more can have same birthday
so it is a many-to-one relation
can you finish this?

Answer 2

functions can be one-to-one or many-to-one