Directions: Collect sets of data on one of the situations listed below. Express the relation as a table, a set of ordered pairs, and a graph.
1.Student population in your school for the past 5 years
2. Number of classmates with 0,1,2,3,...n siblings
3.Number of classmates whose birthdays fall on a Monday, Tuesday, Wednesday, and so on this year
1.Student population in your school for the past 5 years
2. Number of classmates with 0,1,2,3,...n siblings
3.Number of classmates whose birthdays fall on a Monday, Tuesday, Wednesday, and so on this year
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Answer:
An ordered-pair number is a pair of numbers that go together. The numbers are written within a set of parentheses and separated by a comma.
For example, (4, 7) is an ordered-pair number; the order is designated by the first element 4 and the second element 7. The pair (7, 4) is not the same as (4, 7) because of the different ordering. Sets of ordered-pair numbers can represent relations or functions.
Relation
A relation is any set of ordered-pair numbers.
The following diagram shows some examples of relations and functions. Scroll down the page for more examples and solutions on how to determine if a relation is a function.