The total revenue (in Rupees) received from the sale of x units of a product is given by Rx=13x2+26x+15. Then, the marginal revenue (in Rupees) when x=15, is
116
126
136
416
146
Explanation for correct option
Given Rx=13x2+26x+15
The marginal revenue is
dRxdx=ddx13x2+26x+15=26x+26=26·15+26∵x=15=390+26=416
Hence, the correct option is OptionD
The total revenue in Rupees received from the sale of x units of a product is given by
Find the marginal revenue when x = 7.