$\"\"$

The table is \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \
\
x
\ \
y
\
\
5
\ \
2
\
\
10
\ \
-2
\
\
15
\ \
-2
\
\
20
\ \
-2
\
\ Express the relation as ordered pairs $\"\"$ $\"\"$

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.