The replacement set is
Replace a in with each value in the replacement set
and check whether the inequality is true or not. \
\
a \ | \
\
| \
\
True or false \ | \
\
3 \ | \
\
| \
\
False \ | \
\
4 \ | \
\
| \
\
True \ | \
\
5 \ | \
\
| \
\
True \ | \
\
6 \ | \
\
| \
\
True \ | \
\
7 \ | \
\
| \
\
True \ | \
The solution set is .