Jeff and Casey, who are currently both working full-time jobs, are about to have their first child. They are trying to decide if they are both going to keep working. What benefit are they MOST likely to experience if they choose a dual income option?
OA. They will have a lower amount of childcare expenses.
OB. They will have a greater amount of financial income.
OC. They will have less disposable income.
OD. They will have more time to spend with their new baby.

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?