Post a New Question
posted by debbie Tuesday, January 29, 2013 at 12:49am.
Find the domain: h(x)=√(x+4) How do I work this problem?
√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
More Related Questions