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.
... American, 0.20% Native American, 2.13% Asian, 0.05% Pacific Islander, 3.49% from other races, and 1.95% from two or more races. 11.66% of the population are Hispanic or ...