$\"\"$

The relation is,

\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \
\
x
\ \
y
\
\
$\"\"$
\ \
0
\
\
$\"\"$
\ \
1
\
\
$\"\"$
\ \
3
\
\
$\"\"$
\ \
5
\
\

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. $\"\"$

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 first (y-coordinates) coordinates.

The range of the relation is $\"\"$

$\"\"$

The element of $\"\"$ has paired with two elements 3, 5.

Therefore the relation is not a function.

$\"\"$

The relation is not a function.