# Calculus

posted by
**Lindsay** on
.

The price per unit is given by the equation p=18-2ln(x). What is the marginal revenue at x=400? And what should the number of units sold be in order to maximize revenue?

posted by
**Lindsay** on
.

The price per unit is given by the equation p=18-2ln(x). What is the marginal revenue at x=400? And what should the number of units sold be in order to maximize revenue?