Directions: Show all work, and answer each question that is asked. Explanations should be given in full sentences. Graphs should be accurate, and fully labeled. 4. A company has determined that the demand function for a certain couch is given by p = 2700 - 0.75x, where p is the price per couch, and x is the number of couches sold. The fixed costs associated with producing a line of couches is $760,000, and each couch costs $360 to make. Create functions to represent the revenue and the total cost, then find a function for profit