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.
Your front door makes a strong statement about your home. In fact, it's one of the first features a visitor sees. A beautiful, top-quality door improves your home's appearance, makes visitors feel welcome and boosts your home's curb appeal. Besides making a good impression, your entry door must also work hard.