Rachel likes to read books. She records the number of books she read over a period of 5 weeks. The set of ordered pairs below gi
ves the details, where the x-coordinate is the number of weeks since she starts recording and the y-coordinate is the number of books she read each week. (1,2), (2,3), (3,1), (4,4), (5,2)
Which of the following describes the set of ordered pairs?
A.
both a relation and a function
B.
a function only
C.
neither a function nor a relation
D.
a relation only