Inequalities are the relationships between two expressions which are not equal to one another. The symbols used for inequalities are <, >, ≤, ≥. \(7 \textgreater x\) reads as '7 is greater than \(x\)' ...

Often in real life we find ourselves in situations that can be represented mathematically by inequalities. For example, if we want to take a taxi, we may find that the charge is £1.50 standard charge ...

I often start the first-year managerial economics classes I teach by showing a graph to my MBA students (see below). It shows that in 1951, middle-income Indians (from the middle 40 th percentile, ...