Question 61917
The cost C(x) in dollars of producing x calculators is given by C(x)=16,000+120x and the revenue R(x) is R(x)=700x-x^2/50. find the profit P(x)=R(x)-C(x), when 500 calculators are produced and sold.
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Is 50 the denominator of x^2 or is it the denominator of 700x-x^2 
Cheers,
Stan H.