Question 252416: Q:State the domain and range for each of the following relations.State whether or not each relation is a function.
{(1,9),(2,12),(3,15),(4,22)}
Answer by jim_thompson5910(35256)   (Show Source):
You can put this solution on YOUR website! Domain: Set of all possible inputs (ie x values): {1, 2, 3, 4}
Range: Set of all possible outputs (ie y values): {9, 12, 15, 22}
Since each x value only maps to one (and ONLY one) y value, this means that this relation is a function.
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