Question

Determine the domain and range of the relation {(3, 8), (3, 2), (5, 2), (6, 1), (9,1)} I don't understood domain and range. Help please.

Answer 1

Domain: {3,5,6,9}

Range: {1,2,8}

Explanation:

In a relation, the domain is the x-values while the range is the y-values. To find them simply list the values in order from least to greatest while not repeating any values. This relation would also not be considered a function because x-values repeat.