$\"\"$

The table is,

\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \
\
x
\ \
y
\
\
7
\ \
13
\
\
11
\ \
8
\
\
21
\ \
13
\
\
35
\ \
20
\
\

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 first (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.The answer is yes.

$\"\"$

The relation is a function.