A quadratic function is a function of the form <math>f(x)=ax^2+bx+c</math>, where a is nonzero.
In the case where the domain and codomain are R (the real numbers), the graph of such a function is a parabola.
... by Pluto Press[?] in 1996.
The contents runs as follows:
Introduction
Looking Ahead: Tenth Anniversary Interview (an interview conducted ten years since Barsamian ...