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.
According to Smith, one of the most appealing aspects of the 2016 forecasted door color trends is their ability to work well with different home exterior textures, materials and finishes. These colors all lend themselves to both new construction and remodeling projects for a home exterior, says Smith.