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education math

Question by RandiKaye (39)

Answer by esteban (1334)

Square roots of non-negative numbers are real, that means x - 1 is greater than or equal to zero, or x is greater than or equal to 1

Answer by Bob3782 (161)

` The domain is a definition of all the possible values that the variable x can be. Because you cannot take the square root of a negative number, x needs to be larger than 1.

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