The Graph Shows the Depth of Water W in a Reservoir

question 82

Essay

The graph shows the depth of water W in a reservoir over a one-year period as a function of the number of days x since the beginning of the year. What was the average rate of change of W between x = 100 and x= 200?

---

Definitions:

Bundle

A collection of goods or services that are sold together as a single package deal.

Weak Axiom

A principle in consumer theory stating that if a consumer prefers bundle A over bundle B when prices are constant, then the consumer will not choose B over A if the price of A decreases and B's price remains unchanged.

Revealed Preferences

A concept in economics that preferences of consumers can be inferred by observing their purchasing habits and behaviors.

Francs

A former unit of currency in France and other countries, replaced by the Euro in many instances.