lizzcasttro1 lizzcasttro1

01-11-2018
Mathematics

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Explain why x=4 is not in the domain of the function f(x)=√x-5 ?

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jimrgrant1 jimrgrant1

01-11-2018

Since we are dealing with a radical then x - 5 ≥ 0, for real values

x = 4 is less than 5 , hence is not in the domain

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