What is Modulus Function? The modulus function gives the magnitude or absolute value of a number irrespective of the number being positive or negative. Modulus function is denoted as y = |x| or f(x) = |x|, where f: R → R and x ∈ R. This is also called the absolute value function. What is the Domain and Range of the Modulus Function? The domain of the modulus function is R (where R refers to the set of all positive real numbers) and the range of the modulus function is the set of non-negative real numbers which is denoted as (0,∞).
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