math
posted by liz .
You operate a gaming Web site, where users must pay a small fee to log on. When you charged $4 the demand was 510 logons per month. When you lowered the price to $3.50, the demand increased to 765 logons per month.
(a) Construct a linear demand function for your web site and hence obtain the monthly revenue R as a function of the logon fee x.
q(x) =
1
Your answer is correct.
R(x) =
2
Your answer is correct.
(b) Your Internet provider charges you a monthly fee of $30 to maintain your site. Express your monthly profit P as a function of the logon fee x.
P(x) =
3
Your answer is correct.
Determine the logon fee you should charge to obtain the largest possible monthly profit.
$ 4Your answer is incorrect.
What is the largest possible monthly profit?
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