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Domains of Rational and Radical Functions

Radical Function

Radical Function

The function f(x)=xf(x)=\sqrt xf(x)=√​x​​​ consists of a restricted domain of x≥0x\geq 0x≥0, or non-negative real numbers, since we can not take the square root of a negative number.  

Source

    Boundless vets and curates high-quality, openly licensed content from around the Internet. This particular resource used the following sources:

    "Square Root Function Graph."
    https://en.wikipedia.org/wiki/Square_root#/media/File:Square_root_0_25.svg Wikipedia CC BY-SA 3.0.

Related Terms

  • radicand
  • rational expression
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