My question:

6} A bakery sells 350 fruit tarts each month for $3.25 each. The results of a survey indicate that sales 0f 'uit tarts would increase by 80 per month for each $0.10 decrease in price. a] Determine the demand, or price function. b) Determine the revenue function. 1 c} Determine the marginal revenue function. d] Solve R'(x)=0. Haw man},I fruit tarts must he sold in order to maximum revenue? e} What price maximizes the revenue? 1