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What is the domain of f(x)=|x-2|?

User Daveo
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2 Answers

2 votes

Answer:


\large\boxed{D:x\in\mathbb{R}\to x\in(-\infty,\ \infty)}

Explanation:

The absolute value exist for any real number. Therefore x can be any real number.

Domain is the set of all real numbers.

User MohammadSoori
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8.2k points
3 votes

Answer:

∞, or (-∞, ∞)

Explanation:

Basically we're asking when x is undefined. We can tell this a variety of different ways, but the easiest is knowing the rule that a normal function (one that isn't square rooted, taken the log of, or has an x value in a denominator) such as this one will always have a domain that goes to infinity.

User Gwhn
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