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posted by Anonymous on Wednesday, April 3, 2013 at 5:02pm.
f(x)=x-5 and g(x)=√3x, what us the domain of g°f ? Thanks
g◦f = √3f = √(3(x-5)) Since √ is defined only for non-negative values, 3(x-5) >= 0 x >= 5 so the domain is [5,∞)
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