The compound inequalities are .
Solve the first inequality to find k.
Subtract 2 from each side.
\Solve the second inequality to find k.
Subtract 2 from each side.
\So and
.The solution set is
.
Graph the solution set on a number line.
\Note: A dot means that this point is included in the solution set and a circle means that this point is not included in the solution set.
The solution set is and the compound inequality,
of number line graph is