5.In a monopoly market the revenue from selling x units is given by

R(x) = 42.5xe^-0.76x

R is in dollars.

1. Find the marginal revenue.

1. Find the revenue and marginal revenue when x = 3 units. Writea sentence interpreting your result.Do not use the words "marginal revenue".
2. Use the marginal revenue function to find the value of x that will yield the maximum revenue.What is the maximum revenue?
3. Graph the revenue function.