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

  1. What were the annual multiplier and annual percent decrease?

    The multiplier is .
    How can you use that to find the percent decrease?

  2. 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.

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