Mathematics, 11.01.2020 04:31, Giabear23

D= {x|x is a whole number} e = {x|x is a perfect square between 1 and 9} f = {x|x is an even number greater than or equal to 2 and less than 9} e∪f is {2,4,6,8} true false

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D= {x|x is a whole number} e = {x|x is a perfect square between 1 and 9} f = {x|x is an even number...