Publishing Costs Marjory Maureen Duffin is CEO of publisher Duffin House,...

Publishing Costs Marjory Maureen Duffin is CEO of publisher Duffin House, a major supplier of paperback titles to OHaganBooks.com. She notices that publishing costs over the past five years have varied considerably as indicated by the following table, which shows the average cost to the company of publishing a paperback novel (t is time in years, and the current year is t = 5):

a. Graph the function C as a function of time t. Which of the following types of function seem to fit the curve best: linear, quadratic, or exponential?

b. Compute the differences C(1) − C(0), C(2) − C(1), . . . , and C(5) − C(4), rounded to one decimal place. What do you notice?

c. Use the result of part (b) to predict the cost of producing a paperback novel next year.