Question: REVENUE OF A TRAVEL AGENCY Suppose that the total revenue realized by the Odyssey Travel Agency is R f(x) thousand dollars if x thousand dollars are spent on advertising.
a. What does
(f(b) - f(a))/(b - a) (0 < a < b)
measure? What are the units?
b. What does f ‘(x) measure? Give units.
c. Given that f'(20) = 3, what is the approximate change in the revenue if Odyssey increases its advertising budget from $20,000 to $21,000?