Anonymous
Anonymous asked in Education & ReferenceHomework Help · 9 years ago

find the domain and range of the following function?

f(x)=|x+4|

please explain

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  • 9 years ago
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    ƒ(x) = │x+4│

    The domain and range has to be all real numbers;

    real numbers being ALL numbers that are on a number line.

    No matter what real number you substitute in at x you will

    get a real number answer at f(x) or just y.

    Source(s): Site with real numbers: http://www.mathwords.com/r/real_numbers.htm
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