The estimated monthly sales of Mona Lisa paint-by-number sets is given by the formula where is the demand in monthly sales and is the retail price in yen. At what price will revenue be a maximum? Round the answer to the nearest hundredth.
A)1.22 yen
B)0.78 yen
C)0.99 yen
D)0.56 yen
E)69.78 yen

Question

The estimated monthly sales of Mona Lisa paint-by-number sets is given by the formula  where  is the demand in monthly sales and  is the retail price in yen. At what price will revenue be a maximum? Round the answer to the nearest hundredth.
A)1.22 yen 
B)0.78 yen 
C)0.99 yen 
D)0.56 yen 
E)69.78 yen

Quizplus · Accepted Answer

The Answer of The estimated monthly sales of Mona Lisa paint-by-number sets is given by the formula  where  is the demand in monthly sales and  is the retail price in yen. At what price will revenue be a maximum? Round the answer to the nearest hundredth.
A)1.22 yen 
B)0.78 yen 
C)0.99 yen 
D)0.56 yen 
E)69.78 yen

The Estimated Monthly Sales of Mona Lisa Paint-By-Number Sets Is