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.
More than just a beacon leading to the front door, exterior lighting helps define the look of a house. Welcome Light. Drive down any residential street, and we'd bet your eye is instantly drawn to the house with the inviting, well-lit front door. Done right, exterior entry lighting makes the most of what you've got, complementing your home's architecture, increasing security, and helping guests navigate their way to the front landing.