The expression is
.
Table of the above expression.
\| \
x \ | \
\
5 \ | \
\
3 \ | \
4 | \ \
5 \ | \
| \
y \ | \
\
1 \ | \
\
7 \ | \
8 | \ \
7 \ | \
\
\
The domain is
and the range is
.
The domain is
and the range is
.