Linear graphs are straight-line graphs that visually represent a constant rate of change in the relationship between two variables, showing how one changes in response to the other. They are expressed ...

Many types of economic problems require that we consider two variables at the same time. A typical example is the relation between price of a commodity and the demand or supply of that commodity. The ...

Consider a function of a single complex variable: It is common to algebraically represent complex numbers using 2 real numbers (imaginary and real parts) and it is common to visually represent complex ...

A function calculator is a powerful mathematical tool that helps students, engineers, and mathematicians alike determine if a given relation represents a function. As more individuals become aware of ...