15 lines
835 B
Markdown
15 lines
835 B
Markdown
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title: What Is the Domain of a Function
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---
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## What Is the Domain of a Function
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<!-- The article goes here, in GitHub-flavored Markdown. Feel free to add YouTube videos, images, and CodePen/JSBin embeds -->
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The domain of a function is the complete set of possible values of the independent variable. In other words, the domain is the set of all possible x-values which will make the function "work", and will output real y-values.
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For example, for <span class='texhtml'>y = sqrt(x + 2)</span>, the domain of this function is <span class='texhtml'>x >= -2</span>.
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#### More Information:
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<!-- Please add any articles you think might be helpful to read before writing the article -->
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<a href='https://www.intmath.com/functions-and-graphs/2a-domain-and-range.php' target='_blank' rel='nofollow'>Domain and Range of a Function</a>
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