A book is growing in popularity, so each month its publisher is able to sell 5 times as many copies of the book as it was able to sell during the previous month. If you make a list of the number of books sold each month, what kind of sequence will you have?
Question
A book is growing in popularity, so each month its publisher is able to sell 5 times as many copies of the book as it was able to sell during the previous month. If you make a list of the number of books sold each month, what kind of sequence will you have?
Solution
The sequence you will have is called a geometric sequence. This is because each term is multiplied by a constant factor to get the next term. In this case, the constant factor is 5, as the number of books sold each month is 5 times the number of books sold in the previous month.
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