Molly's uncle is cooking a 7-pound beef roast for dinner. it takes 25 minutes per pound o cook. what time should molly's uncle begin cooking the roast if he wants to serve dinner at 7 p. m.?

The revenue each season from tickets at the theme park is represented by t(c)=5x. the cost to pay the employees each season is represented by r(x)=(1.5)^x. examine the graph of the combined function for total profit and estimate the profit after four seasons