The figure to the right shows the number of full-time employees of a company (in millions) as a function of the revenue generated by the company (in billions). Find and interpret the average rate of change of employees with respect to revenue for the following changes in revenue. (a) $7 billion to $33 billion (b) $33 billion to $109 billion (c) $7 billion to $109 billion Employees (millions) AY 70- 60- 50- 40- 30- 20- 10 (710) 0- 0 (109,59) 33,33) 20 40 60 80 100 120 Revenue (billions)

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