Match each information type to the form of market efficiency that identifies that type of information as being quickly and accurately related to stock prices. 1. Strong for efficiency - all information
2. Semi-strong form efficiency - all public information
3. Weak form efficiency - historical stock prices

When a company produces and sells x thousand units per week, its total weekly profit is p thousand dollars, where upper p equals startfraction 800 x over 100 plus x squared endfraction . the production level at t weeks from the present is x equals 4 plus 2 t. find the marginal profit, startfraction dp over dx endfraction and the time rate of change of profit, startfraction dp over dt endfraction . how fast (with respect of time) are profits changing when tequals8?