Trish is taking care of the hans family dogs. the hans leave 7 cans of dog food for the 3 days theyll be away . how many more cans of dog food would trish need if she needed to feed the dogs 3 cans a day.

The john deere company has found that revenue,in dollars, from sales of heavy-duty tractors is a function of the unit price p, in dollars, that it charges. if therevenue r is r(p)= -1/2p^2 +1900pa)how much revenue will the company generate if they sell 700 tractors? b) how many tractors does the company want to sell to maximize the revenue?