Arithmetic Course/Non Linear Function/Parabola Function

Parabola Function

 * f(x) = x2
 * y = x2
 * x | -2 -1 0 1 2
 * y | 4 -1 0 1 4

Graph

 * Qfunction.png
 * A function y = x2 has a parabola shape and passes through point (0,0)