The Two Models That Are Commonly Used to Explain the Relationship

Multiple Choice

The two models that are commonly used to explain the relationship between advertising and sales are the:

A) concave-downward function and the S-shaped response function.
B) S-shaped response function and the concave-upward function.
C) marginal utility function and the S-shaped demand function.
D) S-shaped demand function and the convex-downward function.
E) concave-upward function and the S-shaped demand function.