Defining a Factorial Function

Keep going! Check out the next lesson and practice what you’re learning:https://www.khanacademy.org/economics-finance-domain/ap-microeconomics/factor-markets/profit-maximizing-behavior-in-perfectly-competitive-factor-markets/v/factor-markets-worked-example-microeconomics-khan-academyUploaded 16-04-…

Courses on Khan Academy are always 100% free. Start practicing—and saving your progress—now: https://www.khanacademy.org/math/cc-kindergarten-math/cc-kindergarten-counting/kindergarten-comparing-numbers/v/comparing-groups-through-10-exampleUploaded 01-06-15Learn what "more than" and "less than" me…

Algebra I on Khan Academy: Algebra is the language through which we describe patterns. Think of it as a shorthand, of sorts. As opposed to having to do something over and over again, algebra gives you a simple way to express that repetitive process. It's also seen as a "gatekeeper" subject. Once yo…

Keep going! Check out the next lesson and practice what you’re learning:https://www.khanacademy.org/humanities/us-government-and-civics/x231f0f4241b58f49:citizens-us-gov-civics/x231f0f4241b58f49:how-has-the-definition-of-citizenship-changed-over-time/v/citizenship-in-the-us-territories-and-district…