Several co-workers carpool to work each day. the daily cost of gas and tolls, $12, is split evenly among the people who carpool that day. the cost per person varies inversely with the number of people. write a function that describes the cost per person on a given day of x people carpool.

c(x) =

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c(x) = ($12) / x

Step-by-step explanation:

The general formula for inverse proportion is y = k/x.

In this specific problem, y represents the cost per person, k the dailyl cost ($12), and x the number of perople riding.

Then

c(x) = cost per person as a function of the number of people riding

      = ($12) / x

Note that if only one person rides, that person pays $12/1, or $12; if two people, $12/2, or $6 per person, and so on.

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step-by-step explanation: