Stacy is selling tickets for a concert. She records the number of tickets sold over a period of 5 days. The table below gives the
details, where x represents the number of days since she started recording, and y represents the number of tickets sold each day.
Number of Days, x
Number of Tickets, y
1
25
2
27
3
26
4
28
5
2 7
Which of the following describes the table?
A. both a relation and a function
10 a function
B.
neither a function nor a relation
C.
a relation only
D.
a function only