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One foot is equal to 12 inches. The function I(f) takes a length in feet (as input) and returns a length in inches (as output).

I(f) = 12f

What is the output of this function if the input is 6?

Respuesta :

You need to substitute the number 6 into the function. The output would be 72, because when l(6) = 12(6), you would get l(6) = 72. 

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