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 is a place to greet visitors, welcome friends and invite outsiders in. A cheerful color can illuminate your front porch and turn a drab setting into a charming spot. Choosing the right color for your front door can be tough, as there are more than plenty of hues and tones to pick from. Different colors represent different meanings, so while some of you may go for bright and bold, others may prefer warm and soft.