Question

use c(x)=1/6x^2+3x+42;p(x)=1/5(35-x) where x is the number of units sold, to find the following:
(A) an expression for revenue
(B) the marginal cost and marginal revenue
(C) the marginal cost to produce the 5th unit
(D) the actual cost to produce the 5th unit
(E) the marginal revenue derived from the sale of the 5th unit
(F) the actual revenue derived from the sale of the 5th unit

Answer 1

c is the cost function and p is the price function