Question 473143
C(x)=0.2x^2-1.8x +9.871 where C(x) is in hundreds of dollars. 
How many bicycles should the shop build to minimize the average cost per bicycle?
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Minimum "C" occurs when x = -b/(2a) = 1.8/(2*0.2) = 4.5
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The shop should build (rounding up to 5) bicycles.
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Cheers,
Stan H.
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