Question 1
A model for advertising response is given by
where N(a) = the number of units sold and a = the amount spent on advertising, in thousands of dollars. How many units are sold after spending $4000 (a = 4) on advertising?
◦ 1970
◦ 1776
◦ 6805
◦ 1421
Question 2
A model for advertising response is given by
where N(a) = the number of units sold and a = the amount spent on advertising, in thousands of dollars. Find N'(2).
◦ 6200
◦ 200
◦ 277
◦ 160