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# I HAVE A MAJOR MATH TEST TOMORROW AND IN NEED OF SOME HELP

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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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