Question

Which of the following represents a number that is a minimum of 2 and a maximum of 5?
(x ≤ 2) ∩ (x ≥ 5)
(x ≤ 2) U (x ≥ 5)
(x ≥ 2) ∩ (x ≤ 5)
(x ≥ 2) U (x ≤ 5)

Answer 1

you mean less than 2 and greater than 5, then is B,
you mean less than 5 and greater than 2, then is D

Answer 2

huh?

Answer 3

Should be the last one, since x >= 2 implies that that is the minimum, while x <= 5 implies that that is the maximum and we want the union of the set.