# Math 22 Rates of Change

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## Average Rate of Change and velocity

If , then the average rate of change of with respect to on the interval is

## Instantaneous Rate of Change and Velocity

The instantaneous rate of change of at on the interval is for

## Notes

1) If is the demand function, then Revenue function will be

2) The profit function can be calculate as where is revenue function and is the cost function.

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