Suppose a product's revenue function is given by R (q) = − 2q^2 + 900 q

Question

Where R(q) is in dollars and q is units sold. Find a numeric value for the marginal revenue at 21 units.

 _$ per unit

Thnak you in advance

Answer 1

Since marginal rate is the derivative, MR = -4q + 900 using the power rule. MR(21) = -84 + 900 = 816.