Homographic Function

Homographic Function

A homographic function is the quotient of two first-degree polynomial functions, through an expression in the form

$$f \left( x \right)=\dfrac {ax+b} {cx+d}$$

with c ≠ 0.

• When c = 0, the function is reduced to a first degree polynomial function, represented by a line.
• The graphic representation of a homographic function is an equilateral hyperbola.