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December 20, 2014

December 20, 2014

Posted by **debbie** on Tuesday, January 29, 2013 at 12:49am.

h(x)=√(x+4)

How do I work this problem?

- college algebra -
**Steve**, Tuesday, January 29, 2013 at 10:43am√u is defined only for u>=0

so, √(x+4) is defined only for (x+4) >= 0, or

x >= -4

the domain is thus all reals x >= -4

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