Question 920574
p= -1/20x+1070,  C(x)= 110x+6,000
a) R  = px = (-1/20)x^2 + 1070x
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b) P = (-1/20)x^2 + 1070x - 110x - 6000
P = (-1/20)x^2 + 960x - 6000
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c) P = (-.05)(x - 9600)^2  + $4,602,000
x = 9600 maximizes profit to $4,602,000
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d) p= -1/20(9600)+1070 = $590