The latest demand equation for your gaming Web site, www.mudbeast.net, is given by

q=500x+1200

whereqis the number of users who log on per month andxis the log-on fee you charge. Your Internet provider bills you as follows:

Site maintenance fee:	$50per month
High-volume access fee:	$0.80per log-on

Find the monthly cost as a function of the log-on feex.

C(x) =

Find the monthly profit as a function ofx.

P(x) =

Determine the log-on fee you should charge to obtain the largest possible monthly profit.

x= $ per log-on

What is the largest possible monthly profit?

$