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.
2. Understand the dream meaning of a door. Doors are a symbol of transition. Dreaming about a door is suggestive that you are in need of change, or that you are currently undergoing a transition from one stage in your to another.Doors can lead to adventure, secrets, opportunities and new starts.. Assess the state of the door. A door in good condition is suggestive that your decision to make a transition is a healthy, sound and solid one. A door that is dilapidated, in need of repair or garishly ugly, is suggestive that you are uncertain, possibly afraid of change and worried about where the door will lead.