Using the de nition, prove that the functions f: R -> R and g : [0, infinity ) -> R defined by f(x) = x^2 and g(x) = (x)^(1/2) are continuous on given domains.
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Using the de nition, prove that the functions f: R -> R and g : [0, infinity ) -> R defined by f(x) = x^2 and g(x) = (x)^(1/2) are continuous on given domains.