Most job openings in the next few years will a. be accessible through an apprenticeship. b. be in newly created jobs. c. be accessible without any post-secondary education or training. d. be open from millennials retiring. picked a random subject

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?