The demand function is described by the equation q(p)  30  p/3.The inverse demand function is described by the equation

A) q(p)  30  3p.
B) p(q)  90  3q.
C) q(p)  1/(30  p/3) .
D) p(q)  1/30  q/3.
E) p(q)  30  q/3.

Inverse Demand Function

A mathematical representation that expresses the price of a good as a function of the quantity demanded, highlighting how price can be influenced by changes in demand.

Demand Function

An equation that illustrates the quantity of an item that will be purchased at various prices, often factoring in influences like consumer income and tastes.