### Home > GB8I > Chapter 11 Unit 12 > Lesson INT1: 11.1.3 > Problem 11-31

11-31.

Over a three-year period, the value of a vintage VHS tape of “Charlene’s Greatest Hits” decreased from

What were the annual multiplier and annual percent decrease?

The multiplier is

.

How can you use that to find the percent decrease?Write the equation of a function that describes this situation.

Use the starting value and multiplier you found in part (a) to write the equation.

Make a sketch of the graph of the function and a table of values for the first 5 years.