52. ADVERTISING Jingfei is the marketing manager for a major firm. She estimates that t days after termination of an advertising campaign for a new product, S(t) units will be sold, where -0.015t S(t) = 4,000e a. How many units are being sold at the time the advertising ends? b. How many units should Jingfei expect her company to have sold 30 days after the advertising ends? After 60 days? c. At what average rate do sales of the product CS Scanned Ghange ayethe first 3 months (90 days) after the advertising ends?
52. ADVERTISING Jingfei is the marketing manager for a major firm. She estimates that t days after termination of an advertising campaign for a new product, S(t) units will be sold, where -0.015t S(t) = 4,000e a. How many units are being sold at the time the advertising ends? b. How many units should Jingfei expect her company to have sold 30 days after the advertising ends? After 60 days? c. At what average rate do sales of the product CS Scanned Ghange ayethe first 3 months (90 days) after the advertising ends?
Transcribed Image Text:52. ADVERTISING Jingfei is the marketing
manager for a major firm. She estimates that
t days after termination of an advertising campaign
for a new product, S(t) units will be sold, where
-0.015t
S(t) = 4,000e
%3D
a. How many units are being sold at the time the
advertising ends?
b. How many units should Jingfei expect her
company to have sold 30 days after the
advertising ends? After 60 days?
c. At what average rate do sales of the product
change ayesche first 3 months (90 days) after
the advertising ends?
CS Scanned CHa
)
Expert Solution
This question has been solved!
Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.
Thomas' Calculus (14th Edition)CalculusISBN:9780134438986Author:Joel R. Hass, Christopher E. Heil, Maurice D. WeirPublisher:PEARSON
Calculus: Early Transcendentals (3rd Edition)CalculusISBN:9780134763644Author:William L. Briggs, Lyle Cochran, Bernard Gillett, Eric SchulzPublisher:PEARSON
Calculus: Early TranscendentalsCalculusISBN:9781319050740Author:Jon Rogawski, Colin Adams, Robert FranzosaPublisher:W. H. Freeman
Calculus: Early Transcendental FunctionsCalculusISBN:9781337552516Author:Ron Larson, Bruce H. EdwardsPublisher:Cengage Learning