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!
Orange Door Meanings. Orange is a colour associated with Mercury, which is the swiftest of the planets. Indeed the planet as the fleet-footed Roman god is symbolic of for reception, communication, perception, commerce, movement, intelligence and flexibility. With these kind of qualities, it might be a good idea to paint your business door orange.
Today, there are three common, though greatly differing, approaches for selecting a front entry door color, each providing a unique avenue for creative self-expression. The first is to pick a color that blends with and complements your homeâs style, features and surroundings. The second is using the Feng Shui method, an ancient practice in which door color helps balance your homeâs positive energy.