The sales of a product S (in thousands of dollars) are given by , where x is the advertising expenditure (in thousands of dollars). Find the rate of change of sales with respect to advertising expenditure. Use the second derivative to find how this rate is changing at . Round your answer to two decimal places.
A) 0.89
B) -0.03
C) 0.00
D) -0.89
E) -0.02

Question

The sales of a product S (in thousands of dollars) are given by  , where x is the advertising expenditure (in thousands of dollars). Find the rate of change of sales with respect to advertising expenditure. Use the second derivative to find how this rate is changing at  . Round your answer to two decimal places. ​
A) 0.89 
B) -0.03 
C) 0.00 
D) -0.89 
E) -0.02

Quizplus · Accepted Answer

The Answer of The sales of a product S (in thousands of dollars) are given by  , where x is the advertising expenditure (in thousands of dollars). Find the rate of change of sales with respect to advertising expenditure. Use the second derivative to find how this rate is changing at  . Round your answer to two decimal places. ​
A) 0.89 
B) -0.03 
C) 0.00 
D) -0.89 
E) -0.02

The Sales of a Product S (In Thousands of Dollars)