Assume that it costs Microsoft approximately C(x) = 57,600 + 550x + 0.01x^2 dollars
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The average cost per unit is the total cost divided by the number of units. So divide your expression by x. Your task is now to find if this expression has a minimum, and find the corresponding value of x. At this minimum, its rate of change wrt to x must be zero. Is this enough to get you started?
16 October 2012
ill try it out, thank you :D
16 October 2012
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