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If the function f(x) represents the number of words that Janet can type in x minutes, what is the possible domain for the function?

1) the set of integers
2) the set of irrational numbers
3) the set of non-negative integers
4) the set of real numbers



Answer :

mackiemesser
3) the set of non-negative integers
Domain has to contain whole numbers, bigger or equal to 0.

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