Let x be the any real number.
\The word less than or equal
represent the symbol is
.
The word greater than
represent the symbol
.
The word The real number x is less than or equal
represent the inequality
.
The word The real number x is greater than 12
represent the inequality
.
The word All real numbers that are less than or equal
or greater than 12
represent the compound inequality
.
The compound inequality is .
The compound inequality graph is
Observe the graph, the open circle means that 12 is not a solution of the inequality and the closed circle means that is a solution of the inequality.
The compound inequality is and its graph is