The downtown Business Association (DBA) in a certain plans to increase its member ship bya totalof n businesses per year. Therewere b businesses in the DBA at the beginning of this year. Which function best models the total number of businesses, y,the DBA plans to have as members x years from now?

Options

A. y=nx+b
B. y=nx-b
C. `y=b(n)^x`
D. `y=n(b)^x`