Due to the increasing complexity of business organizations, the role of the management executive as a decision maker is becoming… Click here to read more

Inequality: An inequality expresses the relative order of two mathematical expressions. The symbols $$ < $$ (less than), $$ \leqslant… Click here to read more

Example: Solve and graph the solution of the inequality $${\text{x}} + 3 > 4{\text{x}} + 6$$ Solution: We have \[\begin{gathered}… Click here to read more

The inequalities of the form $${\text{ax}} + {\text{by}} > {\text{c}}$$, $${\text{ax}} + {\text{by}} \leqslant {\text{c}}$$, $${\text{ax}} + {\text{by}} \geqslant {\text{c}}$$,… Click here to read more

Example: Graph the solution set of the system of linear inequalities \[\begin{gathered} 3{\text{x}} + 5{\text{y}} \leqslant 9 \\ {\text{x}} –… Click here to read more

Example: Graph the solution set of the system of linear inequalities. \[\begin{gathered} 4{\text{x}} – 5{\text{y}} \leqslant 20 \\ 3{\text{x}} +… Click here to read more