# Calculus: Other Calculus Problems – #28598

Question: If the Revenue from a product x is $R(x)=8x-{{x}^{2}}$ and the cost in dollars is given by $C(x)=2x+5$

a. Find the minimum break-even quantity

b. Find the maximum revenue

c. Find the maximum profit.

d. Graph the function and show the answers on the graph.