Suppose that f: R ~ R is continuous on Rand that /(r) = 0 for every rational number r. Prove that f (x) = 0 for all x e R.

Midterm Three Study Guide 1.) What are two of the most popular ways to spread information 2.) Where does most of the profit come from videos, specifically YouTube videos 3.) What is “streaming” 4.) What is Wikipedia 5.) What is a “Wiki” 6.) What is crowdsourcing 7.) Why did Wikipedia become popular 8.) What is the predecessor to Wikipedia 9.) What is...