### Home > INT2 > Chapter 1 > Lesson 1.2.4 > Problem 1-65

1-65.

At the band’s peak of popularity, a signed Black Diamond poster sold for

What is the annual rate of depreciation for the poster?

An exponential function is always of the form

.Write a function that will allow you to calculate how much the poster is worth after

years. State the meaning of each part of the equation in the context of the problem.