# To find where the average cost is smallest, first calculate C'(x), the derivative of the average cost function. Then use a graphing calculator to find where the derivative is 0. Check your work by finding the minimum from the graph of the functionC(x)Determine the average cost function C(x)C(x)x)=x3 +5x2 - 4x+ 40

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Please solve for all parts of question help_outlineImage TranscriptioncloseTo find where the average cost is smallest, first calculate C'(x), the derivative of the average cost function. Then use a graphing calculator to find where the derivative is 0. Check your work by finding the minimum from the graph of the function C(x) Determine the average cost function C(x) C(x) x)=x3 +5x2 - 4x+ 40 fullscreen
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