Suppose total cost in dollars from the production of x printers is given by C(x) = 0.0001x3 + 0.005x² + 28x + 3000. (a) Find the average rate of change of total cost when production changes from 200 to 300 printers. (b) Find the average rate of change of total cost when production changes from 300 to 700 printers. (c) Interpret the results from parts (a) and (b).

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Exponential Growth Model

The relation that represents an exponential function is: