Mathematics, 29.07.2020 23:01, stormmesa1

Consider U = {x|x is a negative real number}. Which is an empty set? {x|x ∈ U and x has a negative cube root} {x|x ∈ U and x has a negative square root} {x|x ∈ U and x is equal to the product of a positive number and –1} {x|x ∈ U and x is equal to the sum of one negative and one positive number}

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Consider U = {x|x is a negative real number}. Which is an empty set? {x|x ∈ U and x has a negative c...