## QUADRATIC FUNCTIONS

A function f from to is called a quadratic function if for some a, b, c ∈ f(x) = ax2 + bx + c, provided that a ≠ 0. The graph of a quadratic function is a parabola, whose shapeRead More

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A function f from to is called a quadratic function if for some a, b, c ∈ f(x) = ax2 + bx + c, provided that a ≠ 0. The graph of a quadratic function is a parabola, whose shapeRead More