A manufacturer of DVD players has weekly fixed costs of 1 580 and variable costs of 13 50 per unit for one particular model The company sells this model to dealers for 18 50 each a For this model DVD player write the function for weekly total costs C x C x 1 580 13 50x Excellent b Write the function for total revenue R x R x 18 50x Fantastic job c Write the function for profit P x P x 5x1 580 Nice job d Find C 150 C 150 2 775 Interpret C 150 When this many DVD players are produced the cost is 150 This is the cost in dollars of producing 150 DVD players O For every additional DVD player produced the cost increases by this much O For each 1 increase in cost this many more DVD players can be produced That s it Find R 150 R 150 2 775 x Find P 150 P 150 Amazing job Interpret R 150 O This is the revenue in dollars generated from the sale of 150 DVD players When this many DVD players are produced the revenue generated is 150 O For each 1 increase in revenue this many more DVD players can be produced O For every additional DVD player produced the revenue generated increases by this much Interpret P 150 This is the profit in dollars when 150 DVD players are sold and since it is positive it means that the company makes money when 150 DVD players are sold For each additional DVD player sold the profit in dollars increases by this much but since it is positive it means that the company is producing too many DVD players O This is the profit in dollars when 150 DVD players are sold but since it is negative it means that the company loses money when 150 DVD players are sold