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How do I find the domain of each square root function by using set and interval notation?

Guest Feb 24, 2017
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How do I find the domain of each square root function by using set and interval notation?

 

eg

 

\(y=\sqrt{x+3}\)

 

Domain  

\(x+3>0\\ x>-3\)

 

not sure about the presentation but maybe

 

interval presentation   domain (-3,infinity)

Open bracket means it is not included and sqare bracket means that it is.

 

Set notation

\(\{x: x>-3\}\;\;where\;\; x\in R\)

 

I really do not know what presentation is being asked for :///

Melody  Feb 24, 2017

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