Illustrates the Demand function of a commodity

Question

Illustrates the Demand function of a commodity?

Answer 1

Demand function of a commodity can be described as given below:
D = f (P, Y, T, Ps, U)

Here, Quantity demanded is D and Price of the commodity is P, Y is Income of the consumer, Taste and preference of consumers is T and Ps is Price of substitutes as well as U is Consumers expectations & others and f is Function of (shows how variables are associated).