Follow the hint and simplify
P(x)=R(x)−C(x)
then replace x with 60 and evaluate
The total cost (in dollars) for a company to manufacture and sell
x items per week is C(x)=70x+400. If the revenue brought in by selling all
x items is R(x)=90x−0.05x^2, find the weekly profit. How much profit will be made by producing and selling 60 items each week? Hint:P(x)=R(x)−C(x)
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