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A freight train traveling along a certain route ue 12 unit of fuel per mile plu an additional 2. 2

unit of fuel per mile for each railcar on the train. Let N repreent the number of railcar on the train. What i an expreion for f (N), the total number

of unit of fuel ued per mile?

Respuesta :

The total number of units of fuel used per mile is f(N) = 12 + 2.2N

What is a linear function?

A straight line on the coordinate plane is represented by a linear function. The formula for a linear function is f(x) = mx + b, where m and b are real values.

Let 'N' represent the number of railcars on the train.

Each railcar on the train adds 2.2 units of fuel per mile and then,

Total consumption for 'N' number of railcars = 2.2N units of fuel per mile.

The fixed amount of fuel consumption = 12 units of fuel per mile.

The expression for fuel consumption per mile is given by:

f(N) = 12 + 2.2N

Hence, the expression for f(N) is 12 + 2.2N.

To learn more about a linear function

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