advance algebra
posted by Nialleen .
A doll can make a Jennifer doll at a cost of $35 per doll. if the selling price of the doll is x pesos and the number of dolls sold per month is 500x.
a. express the monthly profit in dollars as a function of x.
b. if the selling price of the doll is $85, determine the monthly profit. use the result in no.1

profit = revenue  cost
revenue = price * quantity. So,
p(x) = x(500x)35x
Now just plug in your data 
Oops mixed up price and quantity
p(x) = x(500x)35(500x)
= (x35)(500x)
assuming no extra dolls are made... 
thanks... :)
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