How many types of demand functions are there?

What effect did Ford have for the economy? How as space exploration has changed Florida's economy and culture? What is the definition of Elastic products? Which federal agency created during the New Deal was set up to raise farm prices by getting farmers to grow fewer crops? What is BU in reference to silver coins? How can you satisfy a man during fourplay? What effective Filipino control of the economy? What do you call a male that inherits something? What is ignores the economic consequences of standard or rule? What are the major imports and exports of Zimbabwe? Is a country standard of living higher or lower if it has fewer people per car? Discuss why Mexico has emerged as an important location in the current system of industrial organization? What services are provided by Travel Employment? What helped hide the weakness in the economy in the 1920's? Why is it usually better for an investo to own 100 different stocks rather than one? Why does fiat money have value? What does Hamilton's economic plan included a tax on? Hbest definition for inflation? Can you sell electricity produced by hydo generators to the power company and how? What is the Value chain analysis of coca cola?

How many types of demand functions are there?