Quadratics v.s. Piecewise
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1. Quadratic functions
2. Examples
2.1. Shaped in a U or N shape, called a parabola
2.2. The point of quadratics is to show the growth of something
3. Definition
3.1. A quadratic function is one of the form f(x) = ax2 + bx + c, where a, b, and c are numbers with a not equal to zero. The graph of a quadratic function is a curve called a parabola.
4. Sources: https://www.mathsisfun.com/sets/functions-piecewise.html https://www.mathsisfun.com/algebra/quadratic-equation-real-world.html http://www.shmoop.com/functions/quadratic-functions-examples.html
5. how to solve
5.1. use the quadratic formula
5.1.1. the formula