Asked by debbie
Find the domain:
h(x)=√(x+4)
How do I work this problem?
h(x)=√(x+4)
How do I work this problem?
Answers
Answered by
Steve
√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
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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