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Mathematics 10 Online
OpenStudy (anonymous):

when bicycles are built the average cost per bike is given by C(x)=0.1x^2-0.3x+5.398 where C(x) is in hundreds of dollars

OpenStudy (anonymous):

how many bikes should be built to minimize the average cost per bike

OpenStudy (anonymous):

Since it's a parabola (opening up) the minimum will be at the vertex. The x value of the vertex is -b/2a = .3/.05 = 6

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