If you graph a linear function, you get a line. If you graph a quadratic function, you get something called a parabola. A parabola tends to look like a smile or a frown, depending on the function. Check out this tutorial and learn about parabolas!
Green Door Meanings. Green bursts with images of spring, and so green is symbolic of renewal, growth, rejuvenation and transformation. Green is associated with the earth, and can provide grounding energies. Green is also used in holistic healing practices because it promotes physical well-being as well as compassion.
Bright colors are often used for trim, doors, and shutters, so repainting your front door red sounds like a good idea. Painting the garage door red, however, will draw attention to it at the expense of other, probably more interesting, aspects of your home.