The following table gives the number of people infected by the flu over a given number of months. Number of Months012345Number of People Infected15133378180Describe any trends or patterns that you observe.

As the number of months increases from 0 to 5, the number infected rises from 15 to 180. The increases between months are 18, 20, 45, 43, and 39 people, so the overall pattern is a rapid increase rather than a decrease or no trend. The best choice is “The number of people infected is increasing at a very fast rate.”

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