word math issue, algebra homework help

In the following situation, state whether two variables are related in a way that might be described by a function. If so, identify the independent and dependent variables.

You are a music store owner and want to know how the demand for CDs (the number that you can sell) depends on the price you charge per CD.

A. The situation can be described by a function. The dependent variable is the price and the independent variable is the

demand.

B.The situation can be described by a function. The dependent variable is the demand and the independent variable is the price.

C.The situation cannot be described by a function.

D.The situation can be described by a function. There is a dependent variable, but no independent variable. The dependent variable is demand.