In a relation, the input is the number of people and the output is the number
of phones
Is this relation a function? Why or why not?
O
A. Yes, because each person has one phone.
O
B. No, because the same number of people might have a different
number of phones.
O
C. Yes, because a given number of people always has the same
number of phones.
O
D. No, because you do not know how many people there are.