# Diminishing Returns (Point of Inflexion)

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Identify the point of diminishing returns for the input-output functions.

R=1/50000(600x^2-x^3), 0<x<400 (those are < or = to signs)

R=-4/9(x^3-9x^2-27), 0<x<5 (those are < or = to signs).

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##### Solution Summary

The solution identifies the point of diminishing returns for the input-output functions.

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