Mathematics, 24.06.2019 04:30, amandasantiago2001

Is the set of numbers that can be written as the product of 6 and an integer closed under subtraction? a. yes, because the difference of any two multiples of 6 is equal to 6. b. yes, because the difference of any two multiples of 6 is also a multiple of 6. c. no, and a counterexample is 6 – 6 = 0. d. no, and a counterexample is 6 – 18 = –12.

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Is the set of numbers that can be written as the product of 6 and an integer closed under subtractio...