The compound inequalities are .
Solve the first inequality to find d.
Add 4 to each side.
\Solve the second inequality to find d.
Add 4 to each side.
\So or
.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