Question

If TR= 2+3Q^2, then MR is:

Answer 1

By the definition, the marginal revenue is equal to change in total revenue divided by change in quantity sold:

$$MR=\dfrac{\Delta TR}{\Delta Q}.$$

Therefore, we can write:

$$MR=\dfrac{dTR}{dQ}=\dfrac{d}{dQ}(2+3Q^2)=6Q.$$

Answer:

$MR=6Q.$