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 gives 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.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

Answer:A. both a relation and a functionStep-by-step explanation:The given set of ordered pairs is {(1,2),(2,3),(3,1),(4,4),(5,2)}.This ordered pairs represent a relation. The x-coordinates represent the domain and the co-domain or range is the set of the y-coordinates.The relation is many-to-one relation. All many-to-one relations are functions.The correct choice is A.