PRE-ALGEBRA, 2012
10

 PAGE: 402 SET: Exercises PROBLEM: 10

The relation is express the relation as ordered pairs.

Draw a table with two columns and list the x-coordinates in the first column and

y-coordinates.in the second column.

 x y 10 8 12 4 15 15 9 4

The domain of the relation is the set of all first (x-coordinates) coordinates.

The domain of the relation is

The range of the relation is the set of second (y-coordinates) coordinates.

The range of the relation is

Each element of the domain is paired with exactly one element of the range.

Therefore the relation is a function.

Yes.

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